N411 Doan Hall
410 W 10th Ave
Columbus, OH 43210
Phone: (614) 293-5675
Fax: (614) 293-8153
Email: Roger.Dzwonczyk@osumc.edu
Current OSU Appointments
Senior Research Assoc-Engineer, Anesthesiology
Clinical Associate Professor, Anesthesiology
Abstracts
Howie MB, Hoffer LS, Kryc J, Dzwonczyk R. 1982. "Continuous alfentanil anesthesia compared to enflurane for medium length surgery." Abstract. IARS - 57th Congress. [Peer Reviewed]
Cruz JC, Sodal I, Dobbert DR, Hansell J, Dzwonczyk R. 1983. "Relationship between pulmonary artery pressure or pulmonary capillary wedge pressure and cardiogenic gas flow oscillations." Abstract. 245. Crit Care Med. [Peer Reviewed]
Dzwonczyk R, Howie MB, McDonald JS, Lingan RP. 1983. "Walsh versus Fourier analysis of the EEG during anesthesia." Abstract. Proceedings Annual Conference on Engineering in Medicine and Biology: 105. [Peer Reviewed]
Dzwonczyk R, Howie MB, McDonald JS. 1983. "An evaluation of five electroencephalographic (EEG) power distribution parameters during anesthesia." Abstract. Anesthesiology: A173. [Peer Reviewed]
Dzwonczyk R., Howie MB, McDonald JS, Lingam RP. 1983. "Walsh versus Fourier analysis of the electroencephalogram (EEG) during anesthesia." Abstract. Anesthesiology: A171. [Peer Reviewed]
Goldman E, Dzwonczyk R, Yadagani V, McDonald JS. 1983. "A real-time monitor of inhalation anesthetic uptake." Abstract. Proceedings Annual Conference on Engineering in Medicine and Biology: 107. [Peer Reviewed]
Howie MB, Kryc J, Hoffer L, McDonald JS, Dzwonczyk R. 1983. "Pharmacokinetic and electroencephalographic confirmation of alfentanil's short action." Abstract. Anesthesiology: A318. [Peer Reviewed]
Dzwonczyk R, Blaine EM, Howie MB, Mani M. 1984. "The origin and modeling of the pneumocardiogram." Abstract. Proceedings 37th Annual Conference on Engineering in Medicine and Biology: 261. [Peer Reviewed]
Dzwonczyk R, Goldman E. 1984. "Sensitivity of an uptake model to parameter changes." Abstract. Proceedings 37th Annual Conference on Engineering in Medicine and Biology: 188. [Peer Reviewed]
Goldman E, Yadagani V, McDonald JS, Dzwonczyk R. 1984. "Real-time uptake of isoflurane." Abstract. 8th World Congress of Anaesthesiologists. [Peer Reviewed]
McDonald JS, Dzwonczyk R. 1984. "An activity analysis of the anesthesiologogist's interoperative time period." Abstract. A466. Anesthesiology. [Peer Reviewed]
Yadagani V, Goldman E, Dzwonczyk R. 1984. "Transfer of O2 and CO2 using long and short catheters." Abstract. Proceedings 37th Annual Conference on Engineering in Medicine and Biology: 257. [Peer Reviewed]
Dzwonczyk R, Blaine EM, Howie MB, Mani M. 1985. "The origin and modeling of the pneumocardiogram." Abstract. 7th Annual Meeting Soc. Cardiovas. Anesth.. [Peer Reviewed]
Dzwonczyk R, Howie MB, Mani M. 1985. "The origin and modeling of the pneumocardiogram." Abstract. A161. Anesthesiology. [Peer Reviewed]
Dzwonczyk R, McAdoo JF. 1985. "Dynamics of gas exchange between a gas bubble and blood." Abstract. Proceedings of the 38th Annual Conference on Engineering in Medicine and Biology: 107. [Peer Reviewed]
McDonald JS, Dzwonczyk R, Pilbeam J. 1985. "A time motion study of the anesthesiologist." Abstract. A496. Anesthesiology.
Dzwonczyk R. 1986. "Sensitivity of a simple uptake model to parameter changes." Abstract. A170. Anesthesiology. [Peer Reviewed]
Dzwonczyk R, Nunziata E, Ezzeddine B. 1987. "Mass spectrometer frequency response compensation using a matched FIR filter." Abstract. Proceedings of the 13th Northeast Bioengineering Conference, 2: 446-448. [Peer Reviewed]
Brown CG, Dzwonczyk R, Jenkins F, Werman H. 1988. "The median frequency of ventricular fibrillation: A useful guide to therapeutic interventions during CPR." Abstract. Proceedings of the University Association of Emergency Medicine Annual Meeting. [Peer Reviewed]
Brown CG, Dzwonczyk R, Werman H, Hamlin R. 1988. "Prediction of downtime during ventricular fibrillation." Abstract. Proceedings of the University Association of Emergency Medicine Annual Meeting: 15. [Peer Reviewed]
Dzwonczyk R. 1989. "Frequency analysis of the electrocardiogram in humans during ventricular fibrillation." Abstract. 440. Annals of Emergency Medicine.
Dzwonczyk R, Brown CG. 1989. "Frequency analysis of the human ECG during ventricular fibrillation." Abstract. Proceedings of the 15th Annual Northeast Bioengineering Conference: 3-4. [Peer Reviewed]
Dzwonczyk R, Minehart IM, McDonald JS. 1989. "Automatic evaluation of carbon dioxide response curve slopes." Abstract. A452. Anesthesiology. [Peer Reviewed]
Dzwonczyk R, Dahl MR. 1990. "A defective unidirectional dome valve was not discovered during daily anesthesia machine checkout or quarterly PM." Abstract. Proceedings Association for the Advancement of Medical Instrumentation 25th Annual Meeting: 29. [Peer Reviewed]
Brown CG, Michael D, Griffith R, Neely D, Zhang H, Hobson J, Braun O, Dzwonczyk R. 1992. "The effect of bystander CPR on the median frequency of the ventricular fibrillation." Abstract. 4th International Conference on Emergency Medicine: 461-462. Annals of Emergency Medicine. [Peer Reviewed]
Dzwonczyk R, Allard J, McDonald JS, Block F, Yablok D. 1992. "The effect of automatic record keeping on vigilance and record keeping time." Abstract. 66th Congress of the International Anesthesia Research Society: S79. Anesthesia and Analgesia. [Peer Reviewed]
Dzwonczyk R, Hartzler AW, Liu AY. 1992. "A new apparatus and method for measuring the myocardial electrical impedance spectrum." Abstract. Proceeding Computers in Cardiology: 575-577. [Peer Reviewed]
Jopling MW, Howie MB, Heidelbaugh SM, Dzwonczyk R. 1992. "Time averaged signal analysis in central venous pressure monitoring." Abstract. 66th Congress of the International Anesthesia Research Society: S153. Anesthesia and Analgesia. [Peer Reviewed]
Brown CG, Dzwonczyk R. 1994. "Signal analysis of the human ECG during ventricular fibrillation (VF): Frequency and amplitude parameters as predictors of successful countershock (CS)." Abstract. 8th Purdue Conference on Cardiac Defibrillation: 633. American Heart J.
Brown CG, Dzwonczyk R. 1994. "ECG analysis during cardiac arrest." Abstract. Proceeding of the 2nd Symposium on Advances in CPR Research: 2. [Peer Reviewed]
Persse DE, Dzwonczyk R, Brown CG. 1994. "The effect of applied pressure to self-adhesive defibrillator pads on countershock success." Abstract. 621. Annals of Emergency Medicine. [Peer Reviewed]
Beckmeyer WP, Woda RP, Dzwonczyk R. 1995. "End Tidal CO2 monitoring: evaluation of four cannulae systems at various O2 Flow Rates in Non-Intubated Patients." Abstract. [Peer Reviewed]
Harter RL, Kelly WB, Kramer MG, Kelly CR, Jankowich MD, Dzwonczyk R,. 1997. "Obese diabetic patients have increased volume, decreased pH gastric contents compared to obese non-diabetic patients." Abstract. A1023. Anesthesiology. [Peer Reviewed]
Lynn LA, Dzwonczyk R, Pollak CP, Weiland J. 1997. "Diagnostic evaluation of OSA utilizing analysis of frequency and spacial relationships of clustered, sequential oximetry waveform events." Abstract. Vth World Congress on Sleep Apnea. [Peer Reviewed]
Teleron AR, Dzwonczyk R, Pollak CP. 2000. "The Apneagraph: A new screening device for sleep apnea." Abstract. A371-A372. Sleep. [Peer Reviewed]
del Rio C, Dzwonczyk R, Czerwinski P, McSweeney TD, Howie MB. 2002. "Use of myocardial electrical impedance to assess the efficacy of high dose aldenosine-enhanced preconditioning." Abstract. A665. Anesthesiology. [Peer Reviewed]
Del Rio CL, Dzwonczyk R, Clymer B, McSweeney T, Awad H, Czerwinski P, Howie MB. 2002. "Use of myocardial electrical impedance to assess the efficacy of preconditioning." Abstract. Computers in Cardiology: 489-492. [Peer Reviewed]
Dzwonczyk R, del Rio C, Brown DA, Michler RE, Wolf RK, Howie MB. 2002. "Myocardial electrical impedance responds to ischemia and reperfusion in humans." Abstract. Computers in Cardiology, 29: 541-543. [Peer Reviewed]
Dzwonczyk R, del Rio C, McSweeney TD, Howie MB. 2002. "Myocardial electrical impedance as a reliable intra-operative ischemia monitor under β-receptor blockade and stimulation." Abstract. Anesthesiology: A587. Anesthesiology. [Peer Reviewed]
Howie MB, Dzwonczyk R, del Rio CL, McSweeney TD, Awad H, Czerwinski P. 2002. "Use of MEI to assess the efficacy of high-dose adenosine-enhanced preconditioning." Abstract. Anesth Analg: S152. [Peer Reviewed]
Howie MB, Dzwonczyk R, Michler RE, Brown DA, Wolf RE. 2002. "Myocardial electrical impedance responds to ischemia and reperfusion in humans." Abstract. A494. Anesthesiology. [Peer Reviewed]
J. Rodrigo, D.O., M. B. Howie, M.D., R. Dzwonczyk, P.E., C. L. del Río, B.S., T. D. McSweeney. 2002. "Use of Myocardial Electrical Impedance to Assess the Efficacy of High Dose Adenosine-Enhanced Preconditioning." Abstract. Midwest Anesthesia Residents Conference. [Peer Reviewed]
del Rio C, Dzwonczyk R, Clymer BD, Howie MB. 2003. "Time course of myocardial electrical impedance during coronary artery occlusion offers additional information about the ischemic process." Abstract. Anesthesiology: A687. [Peer Reviewed]
Howie MB, Dzwonczyk R, del Rio C, Sun B, Michler R. 2003. "Does posterior coronary artery exposure in off-pump CABG cause myocardial ischemia? Another word of caution." Abstract. Anesthesiology: A206. [Peer Reviewed]
Howie MB, Michler RE, Brown DA, Wolf RK, del Rio CL, Dzwonczyk R. 2003. "Myocardial electrical impedance is correlated to coronary artery blood flow in humans." Abstract. Anesth Analg: 141. [Peer Reviewed]
McConnell P, Dzwonczyk R, Michler RE, del Rio C, Howie MB. 2003. "Myocardial electrical impedance responds to ischemia and reperfusion in humans." Abstract. American College of Surgeons Clinical Congress. [Peer Reviewed]
CL del Rio, R Dzwonczyk, PI McConnell, BD Clymer, MB Howie, GE Billman. 2004. "Beta-adrenergic receptor blockade attenuates the electronic uncoupling induced by coronary artery occlusion." Abstract. Computers in Cardiology: 31. [Peer Reviewed]
del Rio C, McConnell P, Dzwonczyk R, Clymer B, Michler R, Howie M. 2004. "Myocardial electrical impedance as a monitor of coronary microembolization." Abstract. Society of Cardiovascular Anesthesiologists 26th Annual Meeting,: 80. Anes Analg. [Peer Reviewed]
del Rio CL, Billman GE, Dzwonczyk R, McConnell PI, Howie MB. 2004. "Beta-Blockade Attenuates the Electronic Uncoupling Induced by Coronary Artery Occlusion." Abstract. Anesthesiology: A643. [Peer Reviewed]
Del Rio CL, Billman GE, Dzwonczyk R, McConnell PI, Kukielka M, Howie MB. 2004. "Beta-blockade attenuates the electronic uncoupling induced by coronary artery occlusion." Abstract. OSUMC Graduate & Postgraduate Research Day Proceedings: 77. [Peer Reviewed]
Del Rio CL, McConnell PI, Dzwonczyk R, Clymer BD, Michler RE, Howie MB. 2004. "Myocardial electrical impedance as a monitor of coronary microembolization." Abstract. OSUMC Graduate & Postgraduate Research Day Proceedings: 76. [Peer Reviewed]
del Rio CL, McConnell PI, Dzwonczyk R, Michler RE, Howie MB. 2004. "Myocardial Electrical Impedance as a Monitor of Coronary Microembolization." Abstract. Anesthesiology: A714. [Peer Reviewed]
Howie MB, McConnell PI, del Rio CL, Dzwonczyk R, Jacoby DB, Michler RE. 2004. "Autologous skeletal myoblasts restore the electrical impedance of infracted sheep myocardium." Abstract. 78th Congress of the International Anesthesia Research Society. Anesthesia and Analgesia. [Peer Reviewed]
Dzwonczyk R, del Rio CL, Sun B, Michler RE, Howie MB. 2005. "Devices used to expose the posterior coronary artery in OPCABG surgery may cause ischemia." Abstract. Northeast Bioengineering Conference Proceedings.. [Peer Reviewed]
Carlos L. del Rio, Monica Kukielka, Roger Dzwonczyk, George E. Billman, Michael B. Howie. 2006. "ßAR Activation Alters Electrical Coupling during Submaximal Exercise in Dogs with Healed Infarcts." Abstract. Anesthesiology: A657.
50. Bergese S, Barua E, Dzwoncyk R, Rogers, B. 2007. "Intraoperative MRI: A clinical analysis of its application and benefits for brain tumor resection." Abstract. Anesthesiology 2007 Annual Conference.. [Peer Reviewed]
Bergese S, Hieves-Ramos R, Dzwonczyk R. 2007. "Clinical evaluation of the MEDRAD Veris MR iMRI patient monitor." Abstract. Anesthesiology 2007 Annual Conference: A1713. [Peer Reviewed]
Bergese Sergio, Fujii, Jeffrey, Nieves-Ramos, Dzwonczyk Roger. 2007. "Clinical Evaluation of the MEDRAD Veris MR iMRI Patient Monitor." Abstract. Anesthesiology 2007 Annual Conference: A1713. [Peer Reviewed]
Dzwonczyk R, Brown CG. 2007. "Noninvasive monitoring of subjects in cardiac arrest using ECG parameters predictive of outcome." Abstract. International Conference. [Peer Reviewed]
Dzwonczyk R, del Rio CL, Howie MB. 2007. "Measuring human heart muscle viability with myocardial electrical impedance." Abstract. International Conference. [Peer Reviewed]
Advising
Masters Student (Thesis Committee Member)
| 1991 - 1992 | Mary Ann Richmond. Frequency analysis of the electrocardiogram during the early stages of ventricular fibrillation with and without quinidine and the relation of ventricular fibrillation to modulation theory. The Ohio State University, Columbus, OH. Graduated: . |
| 1992 - 1993 | Janice Ann Allard. The effect of an automated anesthesia recordkeeper on intraoperative recordkeeping time and anesthestist vigilance. The Ohio State University, Columbus, OH. Graduated: . |
| 1993 - 1994 | Anton Bartolo. A technique for the reduction of ECG contamination from the diaphragmatic EMG signal. The Ohio State University, Columbus, OH. Graduated: . |
| 2002 - 2003 | Scott Johnson. Adaptive filtering of electrocardiogram distortion from myocardial electrical impedance signal. The Ohio State University, Columbus, OH. Graduated: . |
Bulletins and Technical Reports
Dzwonczyk R. 1976. Operating Manual: Transit System Current Analysis Program - TSCAP. Edited by United Engineers and Constructors, Inc. Boston, MA, United States.
Dzwonczyk R. 1976. Operating Manual: Transit System Voltage Analysis Program - TSVAP.. Edited by United Engineers and Constructors, Inc. Boston, MA, United States.
Dzwonczyk R. 1987. Electrical Interference in Patient Monitors.. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1987. Final Report - Biomedical Engineering Short Term Assignment, Shanghai, Peoples Republic of China. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1987. Principles of Analog Troubleshooting and Repair.. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1987. Theory and Operation of the Anesthesia Machine.. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1987. Ventilator Theory - Operation and Maintenance of the Bear 2 Adult Volume Ventilator. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1989. Assessment of the Electric Power System, Anesthesia Machines and Diesel Generator Set, American Children's Hospital, Krakow, Poland.. Edited by Project HOPE. Millwood, VA, United States.
Dzwonczyk R. 1990. Anesthesia Machine Installation and Repair and Miscellaneous Technical Concerns, American Children's Hospital, Krakow, Poland.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 1994. Final Report - Inventory and Evaluation of Medical Equipment in the Republic of Macedonia.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 1999. Final Report - Honduras biomedical/clinical engineering hospital assessment.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2001. Biomedical Engineering Paraguay - Pediatric Cardiology Center Assessment.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2002. Uzbekistan Biomedical Engineering Tuberculosis Laboratory and Microscope Survey.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2003. International Assessment Mission: Partners Towards Helping Pediatric Cancer Patients in Iraq - Operation Lifeline Iraq. Plant Operations and Facilities Working Group Assessment and Recommendations.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2005. Clinical Engineering Assessment of Hospitals and Clinical Engineering Training in Aceh Province Following December 2004 Earthquake and Tsunami.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2005. Final Report - Basrah Children's Hospital Project Assessment.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2005. Final Report - Montana de Luz Electrical Distribution System Assessment. Edited by The Ohio State University Engineers for Community Service. Columbus, Ohio, United States. (Unspecified)
Dzwonczyk R. 2006. Clinical Engineering Small Hospital Project Aceh Province Indonesia.. Edited by Project HOPE. Millwood, VA, United States. (Unspecified)
Dzwonczyk R. 2007. Hospital Assessment: Limo House Hospital, Eldoret, Kenya and AIC Kapsowar Hospital, Kapsowar, Kenya. Edited by Rotary Club. Johnson City, TN, United States. (Unspecified)
Certifications
| Certified Clinical Engineer (CCE).: Healthcare Technology Certification Commission, 63., Certification Commission for Healthcare Information Technology |
| Professional Engineer: Electrical Engineering, State of Ohio |
Degrees
| None Indicated, Boston University, Graduate Studies |
| None Indicated, Northeastern University, Graduate Studies |
| None Indicated, Harvard University, Graduate Studies |
| 1970 | A.A., Union County College, Engineering |
| 1973 | B.S.E.E., Northeastern University, Power Systems |
| 1982 | M.S., The Ohio State University, Biomedical Engineering |
Honors
| 2008 | Boyer Award. Engineers for Community Service. The Ohio State University, Columbus, OH, United States. ($400.00) Subject: Engineering |
Inventions and Patents
Brown CG, Dzwonczyk R, Patent issued November 05, 1996. Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome. 5,571,142.
Brown CG, Dzwonczyk R, Patent issued November 04, 1997. Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome. 5,683,424.
Brown CG, Dzwonczyk R., Patent issued December 31, 1991. Measurement of the approximate elapsed time of ventricular fibrillation and monitoring the response of the heart to therapy,. 5,077,667.
Dzwonczyk R, Carlos del Rio, Michael Howie., (patent status unknown). Human Heart Muscle Viability Using Myocardial Electrical Impedance. .
Lynn LA, Dzwonczyk R, Woda R., (patent status unknown). Asthma resuscitation system and method. .
Ward KR, Brown CG, Dzwonczyk R, Patent issued December 12, 1995. Intrathoracic mechanical, electrical and temperature adjunct to cardiopulmonary cerebral resuscitation, shock, head injury, hypothermia and hyperthermia. 5,474,533.
Ward KR, Brown CG, Dzwonczyk R., Patent issued May 06, 1997. A mechanical adjunct to cardiopulmonary resuscitation (CPR), and an electrical adjunct to defibrillation countershock, cardiac pacing, and cardiac monitoring,. 5,626,618.
Ward KR, Brown CG, Dzwonczyk R., Patent issued July 02, 1996. Non-invasive aortic impingement and core and cerebral temperature manipulation. 5,531,776.
Ward KR, Brown CG, Dzwonczyk R., Patent issued February 10, 1998. Non-invasive aortic impingement and core and cerebral temperature manipulation. 5,716,386.
Dzwonczyk R, Carlos del Rio, Patrick McConnell, Michael Howie., Patent filing 2003 (patent status unknown). Measuring Human Heart Muscle Viability Using Myocardial Electrical Impedance. .
Memberships
| 1972 - present | Member. Eta Kappa Nu, National Electrical Engineering Honor Society, Chicago, Il, United States |
| 1972 - present | Member. Tau Beta Pi, National Engineering Honor Society, Knoxville, Tenn., United States |
| 1982 - present | Member. Institute of Electrical and Electronic Engineers, Piscataway, NJ, United States |
| 1990 | Secretary. Institute of Electrical and Electronic Engineers, Columbus, Ohio, United States. Engineering in Medicine and Biology |
| 2000 - present | Member. American College of Clinical Engineering, Plymouth Meeting, PA, United States |
Peer Reviewed Journal Articles
Dzwonczyk R. 1982. The EEG signal as a routine indicator of the effects of anesthesia. Thesis.
Dzwonczyk R. 1984. Maintenance tips for your computer. Vet Comput. Vol. 2: 10-11.
Dzwonczyk R; Howie MB; McDonald JS. 1984. A comparison between Walsh and Fourier analysis of the electroencephalogram for tracking the effects of anesthesia. IEEE Transactions On Bio-Medical Engineering. Vol. 31, no. 8. (August 1): 551.
Goldman E; Dzwonczyk R; Yadagani V. 1986. Evaluation of four methods for estimating breath-by-breath exchange of O2 and CO2. IEEE Transactions On Bio-Medical Engineering. Vol. 33, no. 5. (May 1): 524-526.
Dzwonczyk RR; Howie MB. 1986. Comparison of a set of power distribution parameters for intraoperative EEG monitoring. IEEE Transactions On Bio-Medical Engineering. Vol. 33, no. 8. (August 1): 792-795.
Dzwonczyk R, Brown CG. 1987. Frequency analysis of the ECG during ventricular fibrillation. Proceedings of the 9th Annual Conference of the IEEE Engineering in Medicine and Biology Society: 147-148.
Dzwonczyk R. 1988. The transient absorption characteristics of the two-phase blood/gas system: a comparison to the Danckwerts model. IEEE Transactions On Bio-Medical Engineering. Vol. 35, no. 12. (December 1): 1006-1010.
McDonald JS; Dzwonczyk RR. 1988. A time and motion study of the anaesthetist's intraoperative time. British Journal Of Anaesthesia. Vol. 61, no. 6. (December 1): 738-742.
Howie MB; Hoffer LJ; Kryc J; McDonald JS; Dzwonczyk RR; Reitz J; McSweeney TD. 1989. A comparison of enflurane with alfentanil anaesthesia for gynaecological surgery. European Journal Of Anaesthesiology. Vol. 6, no. 4. (July 1): 281-294.
Brown CG; Dzwonczyk R; Werman HA; Hamlin RL. 1989. Estimating the duration of ventricular fibrillation. Annals Of Emergency Medicine. Vol. 18, no. 11. (November 1): 1181-1185.
McDonald JS; Dzwonczyk R; Gupta B; Dahl M. 1990. A second time-study of the anaesthetist's intraoperative period. British Journal Of Anaesthesia. Vol. 64, no. 5. (May 1): 582.
Dzwonczyk R; Brown CG; Werman HA. 1990. The median frequency of the ECG during ventricular fibrillation: its use in an algorithm for estimating the duration of cardiac arrest. IEEE Transactions On Bio-Medical Engineering. Vol. 37, no. 6. (June 1): 640.
Block FE Jr; Fletcher MV; Morris TJ; Dzwonczyk R. 1991. A clinical evaluation of rapid automatic noninvasive blood pressure determination with the Ohmeda 2120 "return-to-flow" method. Journal Of Clinical Monitoring. Vol. 7, no. 3. (July 1): 241.
Brown CG; Griffith RF; Van Ligten P; Hoekstra J; Nejman G; Mitchell L; Dzwonczyk R. 1991. Median frequency--a new parameter for predicting defibrillation success rate. Annals Of Emergency Medicine. Vol. 20, no. 7. (July 1): 787-789.
Martin DR; Brown CG; Dzwonczyk R. 1991. Frequency analysis of the human and swine electrocardiogram during ventricular fibrillation. Resuscitation. Vol. 22, no. 1. (August 1): 85.
Dzwonczyk R; Dahl MR; Steinhauser R. 1991. A defective unidirectional dome valve was not discovered during normal testing. Journal Of Clinical Engineering. Vol. 16, no. 6. (November 1): 485.
Brown CG; Dzwonczyk R. 1992. Non-invasive monitoring during ventricular fibrillation. Applied Cardiopulmonary Pathophysiology: ACP. Vol. 4, no. 4. (January 1): 293.
Hoit BD; Shao Y; Gabel M; Walsh RA. 1992. Influence of loading conditions and contractile state on pulmonary venous flow. Validation of Doppler velocimetry. Circulation. Vol. 86, no. 2. (August 1): 651.
Brown CG; Dzwonczyk R; Martin DR. 1993. Physiologic measurement of the ventricular fibrillation ECG signal: estimating the duration of ventricular fibrillation. Annals Of Emergency Medicine. Vol. 22, no. 1. (January 1): 70.
Hoit BD; Shao Y; Tsai LM; Patel R; Gabel M; Walsh RA. 1993. Altered left atrial compliance after atrial appendectomy. Influence on left atrial and ventricular filling. Circulation Research. Vol. 72, no. 1. (January 1): 167.
Hoit BD; Shao Y; McMannis K; Gabel M; Walsh RA. 1993. Determination of left atrial volume using sonomicrometry: a cast validation study. The American Journal Of Physiology. Vol. 264, no. 3 Pt 2. (March 1): H1011.
Hoit BD; Walsh RA; Shao Y; Gabel M; Millard R. 1993. Comparative assessment of regional left atrial perfusion by laser Doppler and radionuclide microsphere techniques. Cardiovascular Research. Vol. 27, no. 3. (March 1): 508.
Hoit BD; Shao Y; Gabel M; Walsh RA. 1993. Influence of pericardium on left atrial compliance and pulmonary venous flow. The American Journal Of Physiology. Vol. 264, no. 6 Pt 2. (June 1): H1781.
Hoit BD; Shao Y; Gabel M; Walsh RA. 1994. In vivo assessment of left atrial contractile performance in normal and pathological conditions using a time-varying elastance model. Circulation. Vol. 89, no. 4. (April 1): 1829.
Rottenberg EM; Dzwonczyk R; Reilley TE; Malone M. 1994. Use of supplemental oxygen during bystander-initiated CPR. Annals Of Emergency Medicine. Vol. 23, no. 5. (May 1): 1027.
Allard J; Dzwonczyk R; Yablok D; Block FE Jr; McDonald JS. 1995. Effect of automatic record keeping on vigilance and record keeping time. British Journal Of Anaesthesia. Vol. 74, no. 5. (May 1): 619.
Gerson MC; Shao Y; Gabel M; Huth C; Hoit BD; Walsh RA. 1995. Load independence of radionuclide diastolic filling measurements in acute coronary occlusion. Journal Of Nuclear Cardiology: Official Publication Of The American Society Of Nuclear Cardiology. Vol. 2, no. 6. (November 1): 491.
Woda RP, Dzwonczyk R, Porlowski J. 1996. Assessment of flow-dependent oxygen consumption when evaluated by different techniques in the sepsis syndrome. Clinical Intensive Care: 190-197.
Bartolo A; Dzwonczyk RR; Roberts C; Goldman E. 1996. Description and validation of a technique for the removal of ECG contamination from diaphragmatic EMG signal. Medical & Biological Engineering & Computing. Vol. 34, no. 1. (January 1): 76.
Brown CG; Dzwonczyk R. 1996. Signal analysis of the human electrocardiogram during ventricular fibrillation: frequency and amplitude parameters as predictors of successful countershock. Annals Of Emergency Medicine. Vol. 27, no. 2. (February 1): 184.
Woda RP; Dzwonczyk RD; Orlowski JP; Van Lente F; Lynn LA. 1996. Effect of measurement error on calculated variables of oxygen transport. Journal Of Applied Physiology (Bethesda, Md.: 1985). Vol. 80, no. 2. (February 1): 559.
Woda RP; Dzwonczyk R; Beckmeyer W; Fuhrman T. 1996. Cost-benefit analysis of nasal cannulae in non-tracheally intubated subjects. Anesthesia And Analgesia. Vol. 82, no. 3. (March 1): 506.
Bartolo A; Roberts C; Dzwonczyk RR; Goldman E. 1996. Analysis of diaphragm EMG signals: comparison of gating vs. subtraction for removal of ECG contamination. Journal Of Applied Physiology (Bethesda, Md.: 1985). Vol. 80, no. 6. (June 1): 1898.
Harter RL; Kelly WB; Kramer MG; Perez CE; Dzwonczyk RR. 1998. A comparison of the volume and pH of gastric contents of obese and lean surgical patients. Anesthesia And Analgesia. Vol. 86, no. 1. (January 1): 147.
Woda RP; Dzwonczyk R; Buyama C; Bernacki BL; Kelly WB. 1999. On the dynamic performance of the Abbott Safeset blood-conserving arterial line system. Journal Of Clinical Monitoring And Computing. Vol. 15, no. 3-4. (May 1): 215.
Persse DE; Dzwonczyk R; Brown CG. 1999. Effect of application of force to self-adhesive defibrillator pads on transthoracic electrical impedance and countershock success. Annals Of Emergency Medicine. Vol. 34, no. 2. (August 1): 129.
Woda RP; Dzwonczyk R; Bernacki BL; Cannon M; Lynn L. 1999. The ventilatory effects of auto-positive end-expiratory pressure development during cardiopulmonary resuscitation. Critical Care Medicine. Vol. 27, no. 10. (October 1): 2212.
Jakeman LB; Guan Z; Wei P; Ponnappan R; Dzwonczyk R; Popovich PG; Stokes BT. 2000. Traumatic spinal cord injury produced by controlled contusion in mouse. Journal Of Neurotrauma. Vol. 17, no. 4. (April 1): 299.
Cordero L, Dzwonczyk R, Timan C. 2001. Inconsistencies of endotracheal tube markings: Clinical implications for neonates. Neonatal Intensive Care: 13-16.
Howie MB; Dzwonczyk R; McSweeney TD. 2001. An evaluation of a new two-electrode myocardial electrical impedance monitor for detecting myocardial ischemia. Anesthesia And Analgesia. Vol. 92, no. 1. (January 1): 12.
Pollak CP; Tryon WW; Nagaraja H; Dzwonczyk R. 2001. How accurately does wrist actigraphy identify the states of sleep and wakefulness?. Sleep. Vol. 24, no. 8. (December 15): 957.
Dzwonczyk R; del Rio C; Brown DA; Michler RE; Wolf RK; Howie MB. 2004. Myocardial electrical impedance responds to ischemia and reperfusion in humans. IEEE Transactions On Bio-Medical Engineering. Vol. 51, no. 12. (December 1): 2206.
del Rio CL; McConnell PI; Clymer BD; Dzwonczyk R; Michler RE; Billman GE; Howie MB. 2005. Early time course of myocardial electrical impedance during acute coronary artery occlusion in pigs, dogs, and humans. Journal Of Applied Physiology (Bethesda, Md.: 1985). Vol. 99, no. 4. (October 1): 1576.
Dzwonczyk R; del Rio CL; Sun B; Howie MB. 2006. Myocardial electrical impedance correlates with ischemic ECG ST-segment changes in humans. Conference Proceedings: .. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society. IEEE Engineering In Medicine And Biology Society. Conference. Vol. 1. (January 1): 2568.
Dzwonczyk R; del Rio CL; Sai-Sudhakar C; Sirak JH; Michler RE; Sun B; Kelbick N; Howie MB. 2006. Vacuum-assisted apical suction devices induce passive electrical changes consistent with myocardial ischemia during off-pump coronary artery bypass graft surgery. European Journal Of Cardio-Thoracic Surgery: Official Journal Of The European Association For Cardio-Thoracic Surgery. Vol. 30, no. 6. (December 1): 873.
Del Rio CL; McConnell PI; Kukielka M; Dzwonczyk R; Clymer BD; Howie MB; Billman GE. 2008. Electrotonic remodeling following myocardial infarction in dogs susceptible and resistant to sudden cardiac death. Journal Of Applied Physiology (Bethesda, Md.: 1985). Vol. 104, no. 2. (February 1): 386.
Dzwonczyk R, del Rio C, McSweeney TD, Zhang X, Howie MB. 2009. Myocardial electrical activity does not affect myocardial electrical impedance measurements. J Clinical Monitoring and Computing.
Dzwonczyk R; Fujii JT; Simonetti O; Nieves-Ramos R; Bergese SD. 2009. Electrical noise in the intraoperative magnetic resonance imaging setting. Anesthesia And Analgesia. Vol. 108, no. 1. (January 1): 181.
Positions
| 1968 - 1970 | Technician, RCA Corporation. Somerville, NJ, United States. |
| 1971 - 1972 | Engineering Assistant, Ebasco Services, Inc. New York, NY, United States. |
| 1974 - 1976 | Electrical Engineer, United Engineers and Contructors, Inc. Boston, MA, United States. |
| 1981 | Technical Writer, The Ohio State University, Department of Industrial Technology. Columbus, OH, United States. |
| 1985 - 1990 | Clinical Instructor, The Ohio State University College of Medicine, Anesthesiology. Columbus, OH, United States. |
| 1990 - 2004 | Clinical Assistant Professor, The Ohio State University College of Medicine, Anesthesiology. Columbus, OH, United States. |
| 1995 - 1997 | Electrical Engineer, Lyntek Medical Technologies, Inc. Columbus, Ohio, United States. |
| 1995 - present | Participating Faculty, Graduate Faculty-Category M, The Ohio State University, Biomedical Engineering Center. Columbus, OH, United States. |
| 2004 - present | Clinical Associate Professor, The Ohio State University Medical Center, Anesthesiology. Columbus, OH, United States. |
| 2004 - present | Clinical Associate Professor, The Ohio State University College of Medicine, Anesthesiology. Columbus, OH, United States. |
| 2006 - present | Senior Research Associate, The Ohio State University College of Medicine, Anesthesiology. Columbus, OH, United States. |
Presentations
Invited Presentations
Local
Dzwonczyk R., Lecturer. 1990. Signal processing of the electrocardiogram during ventricular fibrillation. Presented at Institute of Electrical and Electronic Engineers (IEEE), to Electrical Engineering Colloquium. Columbus, Ohio, United State. (February 22)
Dzwonczyk R., Lecturer. 1990. Signal processing of the electrocardiogram during ventricular fibrillation. Presented at Engineering in Medicine and Biology Society. Columbus, Ohio, United States. (July 17)
Dzwonczyk R., Lecturer. 1992. Frequency analysis of the electrocardiogram during ventricular fibrillation. Presented at The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. (January 28)
Dzwonczyk R., Lecturer. 1992. Physiologic signals and monitoring systems. Presented at The Ohio State University, Department of Emergency Medicine. Columbus, Ohio, United States. (December 10)
Dzwonczyk R., Lecturer. 1993. Asquisition and Analysis of Brain Potentials. Presented at The Ohio State University, Department of Emergency Medicine. Columbus, Ohio, United States. (January 26)
Dzwonczyk R., Lecturer. 1995. Extracting useful information from the electrocardiogram during venticular fibrillation. Presented at The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. (January 24)
Dzwonczyk R., Lecturer. 2000. Sleep apnea: An engineering view of the disease and its diagnosis. Presented at The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. (February 1)
Dzwonczyk R., Lecturer. 2002. Engineering and clinical aspects of myocardial electrical impedance. Presented at The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. (February 5)
Dzwonczyk R., Lecturer. 2004. Analysis of the Ventricular Fibrillation Electrocardiogram. Presented at The Ohio State University, Department of Emergency Medicine. Columbus, Ohio, United States. (October 15)
Dzwonczyk R., Lecturer. 2004. Clinical Engineering in the Hospital. Presented at International Consortium for CURE of Childhood Cancer in China. Children's Hospital. Columbus, Ohio, United States. (October 28)
Dzwonczyk R., Lecturer. 2005. Myocardial Electrical Impedance: Engineering and Clinical Aspects. Presented at The Ohio State University, Davis Heart & Lung Research. Columbus, Ohio, United States. (April 8)
Dzwonczyk R., Lecturer. 2007. Project Documentation. Presented at The Ohio State University, College of Engineering, to ENG684 service learning class. Columbus, Ohio, United States. (January 9)
Dzwonczyk R., Lecturer. 2008. Project Documentation. Presented at The Ohio State University, College of Engineering, to ENG692 service learning class. Columbus, Ohio, Unite dStates. (January)
Dzwonczyk R., Lecturer. 2009. The Project HOPE Clinical Engineering Experience. Presented at The Ohio State University, College of Engineering, to Conference on Engineers for Community Service. Columbus, Ohio, United States.
Dzwonczyk R., Lecturer. 2009. Project Documentation. Presented at The Ohio State University, College of Engineering, to ENG692 service learning class. Columbus, Ohio, United States. (January)
Dzwonczyk R., Lecturer. 2009. EMS-Instructor Update Conference PowerPoint Primer. Presented at Delaware (OH) County Emergency Medical Services. Delaware, Ohio, United States. (April 28)
Regional
Dzwonczyk R., Lecturer. 1987. Principles of pulse oximetry and capnometry. Presented at Association for the Advancement of Medical Instrumentation Regional Meeting. Cincinnati, Ohio, United States. (October)
National
Dzwonczyk R., Lecturer. 1988. Methods and criteria for evaluation of pulse oximeters. Presented at Association for the Advancement of Medical Instrumentation 23rd Annual Meeting. Washington, DC, United States. (May)
International
Dzwonczyk R., Discussant. 1987. Biomedical Equipment troubleshooting. Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China. China. (April - May)
Dzwonczyk R., Lecturer. 1987. Electrical Interference. Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China. China. (April - May)
Dzwonczyk R., Lecturer. 1987. Operation and maintenance of anesthesia machines. Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China Hospital's. China. (April - May)
Dzwonczyk R., Lecturer. 1987. Operation and maintenance of mechanical ventilators. Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China Hospital's. China. (April - May)
Professional Activities
Community Service
| 1962 - present | Amateur (Ham) radio operator. Volunteer. BW2EIG. |
| 1983 - 1993 | Co-founder, charter board member and treasurer. Volunteer. New Roots Child Adoption Support Group. Columbus, Ohio, United States. |
| 04/1987 - 05/1987 | Biomedical/electrical engineering lecturer and consultant. Volunteer. Project HOPE. Shanghai and Hangzhou, Peoples Republic of China. Key achievements: Developed and taught four short-courses in the operation and maintenance of mechanical ventilators and anesthesia machines, and electrical interference and biomedical equipment troubleshooting. Supervised troubleshooting and repair of biomedical equipment in the Project HOPE-affiliated hospitals. |
| 1988 - present | Certified Baseball/Softball Coach. Volunteer. National Youth Sports Coaches Association. Columbus, Ohio, United States. |
| 1988 - 2000 | Boys Baseball and Girls Softball Coach. Volunteer. North Columbus Intramural League. Columbus, Ohio, United States. |
| 1989 - 1990 | Treasurer. Volunteer. 1992 Clinton Elementary School PTA. Columbus, Ohio, United States. |
| 1989 - 1992 | Grade School Tutor. Volunteer. St. Stephens Community House. Columbus, Ohio, United States. |
| 04/1989 - present | Electrical engineering consultant. Volunteer. Project HOPE. American Children's Hospital. Krakow, Poland. Key achievements: Analyzed the quality and reliability of the electric power and distribution system at the American Children's Hospital to determine the cause of power system-related equipment failures. |
| 10/1990 - present | Biomedical/electrical engineering consultant. Volunteer. Project HOPE. American Children's Hospital. Krakow, Poland. Key achievements: Tested and serviced all anesthesia machines and related equipment at the American Children's Hospital. Installed new anesthesia machine. Trained anesthesiologists and engineers in testing and preventive maintenance of anesthesia machines and related equipment |
| 1995 - 1998 | Treasurer. Volunteer. Douglas Alternative Elementary School Community (Parents) Association. Columbus, Ohio, United States. |
| 1997 - present | Softball and Basketball Coach. Volunteer. Columbus (OH) Public Schools Special Olympics. Columbus, Ohio, United States. |
| 1998 | Acquire and organized. Fundraising. Church World Services. New York, NY, United States. Key achievements: Acquire and organize donations of medical equipment and supplies for needy countries. Organized and facilitated a $70,000 shipment of supplies to Cuba |
| 1998 | Playground Reconstruction Committee, chairman. Fundraising. Douglas Alternative Elementary School. Columbus, Ohio, United States. Key achievements: Directed all phases of playground reconstruction. Raised $50,000 through grants and donations for the project. |
| 1998 - 2002 | Treasurer. Volunteer. Dominion Middle School Parent, Teacher and Student Organization. Columbus, Ohio, United States. |
| 2003 - 2005 | Treasurer. Volunteer. Whetstone High School Parent Teacher Association. Columbus, Ohio, United States. |
| 2005 | Senior Technical Advisory Group (SENTAG) member,. Volunteer. Project HOPE. Millwood, VA., United States. Key achievements: Construction of the Basrah Children's Hospital, Basrah, Iraq. |
| 2005 - present | Governing board member. Volunteer. Columbus (OH) Public Schools Special Olympics. Columbus, Ohio, United States. |
| 2007 - present | Vice President of the Booster board. Volunteer. Columbus (OH) Public Schools Special Olympics. Columbus, Ohio, United States. |
| 2007 | Boys Baseball and Girls Softball Coach. Volunteer. North Columbus Intramural League. Columbus, Ohio, United States. |
| 2009 | Boys Baseball and Girls Softball Coach. Volunteer. North Columbus Intramural League. Columbus, Ohio, United States. |
| 2009 | Co-founder, Coach. Fundraising. Dominion Baseball/Softball League (DBSL). Dominion Middle School. Columbus, Ohio, United States. Key achievements: Raised $16,000 through grants to create and expand the DBSL program for Columbus Middle School children and to improve playing facilities. 2009 commissioner. |
| 03/21/2009 - 03/29/2009 | Engineers for Community Service. Volunteer. The Ohio State University, College of Engineering. Montaña de Luz HIV/AIDS Orphanage. Columbus, Ohio, United States. Key achievements: Honduras service mission participant and advisor. Evaluated, modified, audited and repaired the electrical power system at Montaña de Luz HIV/AIDS orphanage. |
Conference Participation
| 1998 - 1999 | Editorial Review Board. Reviewer. Journal of Clinical Engineering. |
| 2000 - 2004 | Reviewer. Annals of Emergency Medicine. |
Consultation
| 1995 - present | Reviewer. Education. IEEE Transactions on Biomedical Engineering. Columbus, Ohio, United States. |
| 09/2004 - present | Biomedical Advisory Board. Industry. Nellcor. Pleasanton, CA, United States. |
Education
| 1991 | 35th (1991) Annual Landacre Day Medical Student Scientific Session. Abstract reviewer and poster session judge. The Ohio State University College of Medicine, 35th (1991) Annual Landacre Day Medical Student Scientific Session. Columbus, Ohio, United States. |
| 1992 | 36th (1992) Annual Landacre Day Medical Student Scientific Session. Abstract reviewer and poster session judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 1992 | 1992 Graduate Research Forum. Presentation Judge. The Ohio State University. Columbus, Ohio, United States. |
| 1992 | Biomedical Engineering Center, 1992 Annual Conference on Engineering, 2th Annual Biomedical Engineering Student Post Session. Judge. The Ohio State University. Columbus, Ohio, United States. |
| 1993 | 1993 Graduate Research Forum, engineering section presentation. Judge. The Ohio State University. Columbus, Ohio, United States. |
| 1993 | 37th (1993) Annual Landacre Day Medical Student Scientific Session. Abstract reviewer and poster session judge. The Ohio State University - College of Medicine. Columbus, Ohio, United States. |
| 1993 | 1993 Annual Conference on Engineering, 3rd Annual Biomedical Engineering Student Poster Session. Judge. The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. |
| 1994 | The Samuel J. Roessler Research Scholarship,. Protocol reviewer. The Ohio State University, College of Medicine. Columbus, Ohio, United States. |
| 1994 | 38th (1994) Annual Landacre Day Medical Student Scientific Session. abstract reviewer and poster session judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 1994 | 1994 Graduate Research Forum, engineering section presentation. Judge. The Ohio State University. Columbus, Ohio, United States. |
| 1994 | 1994 Annual Conference on Engineering, 4th Annual Biomedical Engineering Student Poster Session. Judge. The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. |
| 1995 | 39th (1995) Annual Landacre Day Medical Student Scientific Poster Session. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 1995 | 1995 Annual Conference on Engineering, 5th Annual Biomedical Engineering Student Poster Session. Judge. The Ohio State University, Biomedical Engineering Center. Columbus, Ohio, United States. |
| 1997 | 41st (1997) Annual Landacre Day Medical Student Scientific Poster Session. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 1998 | 42nd (1998) Annual Landacre Day Medical Student Scientific Poster Session. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 1999 | 43rd (1999) Annual Landacre Day Medical Student Scientific Poster Session. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 2000 | The Richard J & Martha D Denman 2000 Undergraduate Research Forum. Presentation Judge. The Ohio State University. Columbus, Ohio, United States. |
| 2001 | 45th (2001) Annual Landacre Day Medical Student Scientific Session. Poster Session Judge. The Ohio State University College of Medicine and Public Health. Columbus, Ohio, United States. |
| 2004 | The Richard J & Martha D Denman 2004 Undergraduate Research Forum. Presentation Judge. The Ohio State University. Columbus, Ohio, United States. |
| 02/11/2005 | Engineers for Community Service/Engineering World Health. Honors Seminar Coordinator. The Ohio State University, College of Engineering. Columbus, Ohio, United States. |
| 03/19/2005 - 03/26/2005 | Engineers for Community Service. Honduras service mission participant and advisor. Evaluated, modified and repaired the electrical power system at Montaña de Luz HIV/AIDS orphanage. The Ohio State University, College of Engineering. Montaña de Luz HIV/AIDS orphanage Honduras. |
| 2006 | The Richard J & Martha D Denman 2006 Undergraduate Research Forum. Presentation Judge. The Ohio State University. Columbus, Ohio, United States. |
| 03/19/2006 - 03/26/2006 | Engineers for Community Service. Honduras service mission participant and advisor. Evaluated, modified and repaired the electrical power system at Montaña de Luz HIV/AIDS orphanage. The Ohio State University, College of Engineering. |
| 2007 | The Richard J & Martha D Denman 2007 Undergraduate Research Forum. Presentation judge. The Ohio State University. Columbus, Ohio, United States. |
| 03/17/2007 - 03/24/2007 | Engineers for Community Service. Honduras service mission participant and advisor. Evaluated, modified and repaired the electrical power system at Montaña de Luz HIV/AIDS orphanage. The Ohio State University, College of Engineering. Columbus, Ohio, United States. |
| 03/29/2007 | 6th Annual Graduate & Postgraduate Research Day. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 2008 | 7th Annual Graduate & Postgraduate Research Day. Judge. The Ohio State University College of Medicine. Columbus, Ohio, United States. |
| 04/10/2008 | The Richard J & Martha D Denman 2008 Undergraduate Research Forum. Presentation Judge. The Ohio State University. Columbus, Ohio, United States. |
| 2009 | The Richard J & Martha D Denman 2009 Undergraduate Research Forum. Judge. The Ohio State University. Montaña de Luz HIV/AIDS Orphanage. Columbus, Ohio, United States. |
| 04/02/2009 | Annual Graduate & Postgraduate Research Day. Judge. Ohio State University College of Medicine. Columbus, Ohio, United States. |
Field Work
| 03/1994 - present | Biomedical/electrical engineering consultant. Volunteer. Project HOPE. Republic of Macedonia. Key achievements: Inventoried and evaluated the condition of medical equipment in the hospitals and clinics. |
Reviews
Dzwonczyk R. 1990. Book. Review of Biomedical Single Processing. Vol. I and Vol. II by Arnon Cohen. In Journal of Clinical Monitoring and Computer. CRC Press.