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Roger Dzwonczyk

  • 2070 Neil Avenue
    Columbus, OH 43210
  • 614-293-5675

Honors

  • 2012

    Staff Award for Excellence in Community Service Engagement. .

  • 2008

    Boyer Award. .

Journal Articles

2011

2010

  • Hrelec C; Puente E; Bergese S; Dzwonczyk R, 2010, "SNAP II versus BIS VISTA monitor comparison during general anesthesia.." Journal Of Clinical Monitoring And Computing 24, no. 4, 283 -
  • Jekic M; Ding Y; Dzwonczyk R; Burns P; Raman SV; Simonetti OP, 2010, "Magnetic field threshold for accurate electrocardiography in the MRI environment.." Magnetic Resonance In Medicine: Official Journal Of The Society Of Magnetic Resonance In Medicine / Society Of Magnetic Resonance In Medicine 64, no. 6, 1586 -
  • Bergese SD; Patrick Bender S; McSweeney TD; Fernandez S; Dzwonczyk R; Sage K, 2010, "A comparative study of dexmedetomidine with midazolam and midazolam alone for sedation during elective awake fiberoptic intubation.." Journal Of Clinical Anesthesia 22, no. 1, 35 -
  • Jekic M, Ding Y, Dzwonczyk R, Burns P,Raman S, Simonetti O, 2010, "Magnetic Field Threshold for Accurate Electrocardiography in the MRI Enviornment." Magnetic Resonance in Medicine

2009

  • Howie M, del Rio C, Khan F, Lopez L, Dzwonczyk R, Bergese S., 2009, "A secure and expandable electronic patient record system using web-based technology." Ibnosina Journal of Medicine and Biomedical Sciences 1, no. 3, 73 - 79.
  • Dzwonczyk R; Fujii JT; Simonetti O; Nieves-Ramos R; Bergese SD, 2009, "Electrical noise in the intraoperative magnetic resonance imaging setting.." Anesthesia And Analgesia 108, no. 1, 181 - 186.
  • Dzwonczyk R; del Rio C; McSweeney TD; Zhang X; Howie MB, 2009, "Myocardial electrical activity does not affect myocardial electrical impedance measurements.." Journal Of Clinical Monitoring And Computing 23, no. 4, 217 - 222.
  • Barua E; Johnston J; Fujii J; Dzwonczyk R; Chiocca E; Bergese S, 2009, "Anesthesia for brain tumor resection using intraoperative magnetic resonance imaging (iMRI) with the Polestar N-20 system: experience and challenges.." Journal Of Clinical Anesthesia 21, no. 5, 371 - 376.

2008

  • 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) 104, no. 2, 386 -

2006

  • 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 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 30, no. 6, 873 -

2005

  • 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) 99, no. 4, 1576 -

2004

  • 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 51, no. 12, 2206 -

2001

  • 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 92, no. 1, 12 -
  • Pollak CP; Tryon WW; Nagaraja H; Dzwonczyk R, 2001, "How accurately does wrist actigraphy identify the states of sleep and wakefulness?." Sleep 24, no. 8, 957 -

2000

  • 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 17, no. 4, 299 -

1999

  • 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 27, no. 10, 2212 -
  • 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 15, no. 3-4, 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 34, no. 2, 129 -

1998

  • 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 86, no. 1, 147 -

1996

  • 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) 80, no. 6, 1898 -
  • 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.
  • 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) 80, no. 2, 559 -
  • 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 27, no. 2, 184 -
  • 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 34, no. 1, 76 -
  • Woda RP; Dzwonczyk R; Beckmeyer W; Fuhrman T, 1996, "Cost-benefit analysis of nasal cannulae in non-tracheally intubated subjects.." Anesthesia And Analgesia 82, no. 3, 506 -

1995

  • 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 74, no. 5, 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 2, no. 6, 491 -

1994

  • 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 89, no. 4, 1829 -
  • Rottenberg EM; Dzwonczyk R; Reilley TE; Malone M, 1994, "Use of supplemental oxygen during bystander-initiated CPR.." Annals Of Emergency Medicine 23, no. 5, 1027 -

1993

  • 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 27, no. 3, 508 -
  • 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 264, no. 3 Pt 2, H1011 -
  • 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 22, no. 1, 70 -
  • 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 264, no. 6 Pt 2, H1781 -
  • 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 72, no. 1, 167 -

1992

  • 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 86, no. 2, 651 -
  • Brown CG; Dzwonczyk R, 1992, "Non-invasive monitoring during ventricular fibrillation.." Applied Cardiopulmonary Pathophysiology: ACP 4, no. 4, 293 -

1991

  • Dzwonczyk R; Dahl MR; Steinhauser R, 1991, "A defective unidirectional dome valve was not discovered during normal testing.." Journal Of Clinical Engineering 16, no. 6, 485 -
  • 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 20, no. 7, 787 - 789.
  • Martin DR; Brown CG; Dzwonczyk R, 1991, "Frequency analysis of the human and swine electrocardiogram during ventricular fibrillation.." Resuscitation 22, no. 1, 85 -
  • 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 7, no. 3, 241 -

1990

  • McDonald JS; Dzwonczyk R; Gupta B; Dahl M, 1990, "A second time-study of the anaesthetist's intraoperative period.." British Journal Of Anaesthesia 64, no. 5, 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 37, no. 6, 640 -
  • Dzwonczyk R, 1990, "Book." In Journal of Clinical Monitoring and Computer

1989

  • Brown CG; Dzwonczyk R; Werman HA; Hamlin RL, 1989, "Estimating the duration of ventricular fibrillation.." Annals Of Emergency Medicine 18, no. 11, 1181 - 1185.
  • 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 6, no. 4, 281 - 294.

1988

  • 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 35, no. 12, 1006 - 1010.
  • McDonald JS; Dzwonczyk RR, 1988, "A time and motion study of the anaesthetist's intraoperative time.." British Journal Of Anaesthesia 61, no. 6, 738 - 742.

1987

  • 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.

1986

  • 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 33, no. 5, 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 33, no. 8, 792 - 795.

1984

  • 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 31, no. 8, 551 -
  • Dzwonczyk R., 1984, "Maintenance tips for your computer." Vet Comput 2, 10 - 11.

1982

  • Dzwonczyk R., 1982, "The EEG signal as a routine indicator of the effects of anesthesia." Thesis

Presentations

  • "Principles of pulse oximetry and capnometry.." 1987, Presented at Association for the Advancement of Medical Instrumentation Regional Meeting, Cincinnati, US|USA
  • "Frequency analysis of the electrocardiogram during ventricular fibrillation.." 1992, Presented at The Ohio State University, Biomedical Engineering Center, Columbus, US|USA
  • "Myocardial Electrical Impedance: Engineering and Clinical Aspects.." 2005, Presented at The Ohio State University, Davis Heart & Lung Research, Columbus, US|USA
  • "Physiologic signals and monitoring systems.." 1992, Presented at The Ohio State University, Department of Emergency Medicine, Columbus, US|USA
  • "Project Documentation.." 2007, Presented at The Ohio State University, College of Engineering, Columbus, US|USA
  • "Biomedical Equipment troubleshooting.." 1987, Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China., CN|CHN
  • "Project Documentation." 2008, Presented at The Ohio State University, College of Engineering, Columbus,
  • "Operation and maintenance of mechanical ventilators.." 1987, Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China Hospital's, CN|CHN
  • "Operation and maintenance of anesthesia machines.." 1987, Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China Hospital's, CN|CHN
  • "Electrical Interference.." 1987, Presented at Project HOPE, Shanghai and Hangzhou, Peoples Republic of China, CN|CHN
  • "Signal processing of the electrocardiogram during ventricular fibrillation.." 1990, Presented at Engineering in Medicine and Biology Society, Columbus, US|USA
  • "Extracting useful information from the electrocardiogram during venticular fibrillation.." 1995, Presented at The Ohio State University, Biomedical Engineering Center, Columbus, US|USA
  • "The Project HOPE Clinical Engineering Experience.." 2009, Presented at The Ohio State University, College of Engineering, Columbus, US|USA
  • "Project Documentation." 2009, Presented at The Ohio State University, College of Engineering, Columbus, US|USA
  • "Asquisition and Analysis of Brain Potentials.." 1993, Presented at The Ohio State University, Department of Emergency Medicine, Columbus, US|USA
  • "EMS-Instructor Update Conference PowerPoint Primer.." 2009, Presented at Delaware (OH) County Emergency Medical Services, Delaware, US|USA
  • "Clinical Engineering in the Hospital.." 2004, Presented at International Consortium for CURE of Childhood Cancer in China, Columbus, US|USA
  • "Analysis of the Ventricular Fibrillation Electrocardiogram.." 2004, Presented at The Ohio State University, Department of Emergency Medicine, Columbus, US|USA
  • "Signal processing of the electrocardiogram during ventricular fibrillation.." 1990, Presented at Institute of Electrical and Electronic Engineers (IEEE), Columbus, US|USA
  • "Sleep apnea: An engineering view of the disease and its diagnosis.." 2000, Presented at The Ohio State University, Biomedical Engineering Center, Columbus, US|USA
  • "Engineering and clinical aspects of myocardial electrical impedance.." 2002, Presented at The Ohio State University, Biomedical Engineering Center, Columbus, US|USA
  • "Clinical evaluation of the MedRad Veris MR, iMRI patient monitor." 2007, Presented at 2007 Midwest Anesthesia Residents Conference, St Louis, US|USA
  • "Methods and criteria for evaluation of pulse oximeters.." 1988, Presented at Association for the Advancement of Medical Instrumentation 23rd Annual Meeting, Washington, US|USA
  • "The OSU iMRI experience." 2007, Presented at 2007 Midwest Anesthesia Residents Conference, St Louis, US|USA
  • "The OSU iMRI experience." 2007, Presented at The 6th Annual OSUMC Graduate and Postgraduate Research Day, Columbus, US|USA

Patents

  • Brown CG, Dzwonczyk R.. "Measurement of the approximate elapsed time of ventricular fibrillation and monitoring the response of the heart to therapy,." Patent number: 5,077,667
  • Ward KR, Brown CG, Dzwonczyk R. "Intrathoracic mechanical, electrical and temperature adjunct to cardiopulmonary cerebral resuscitation, shock, head injury, hypothermia and hyperthermia." Patent number: 5,474,533
  • Ward KR, Brown CG, Dzwonczyk R.. "Non-invasive aortic impingement and core and cerebral temperature manipulation." Patent number: 5,531,776
  • Brown CG, Dzwonczyk R. "Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome." Patent number: 5,571,142
  • Ward KR, Brown CG, Dzwonczyk R.. "A mechanical adjunct to cardiopulmonary resuscitation (CPR), and an electrical adjunct to defibrillation countershock, cardiac pacing, and cardiac monitoring,." Patent number: 5,626,618
  • Brown CG, Dzwonczyk R. "Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome." Patent number: 5,683,424
  • Ward KR, Brown CG, Dzwonczyk R.. "Non-invasive aortic impingement and core and cerebral temperature manipulation." Patent number: 5,716,386
  • Dzwonczyk R, Carlos del Rio, Patrick McConnell, Michael Howie.. "Measuring Human Heart Muscle Viability Using Myocardial Electrical Impedance."
  • Lynn LA, Dzwonczyk R, Woda R.. "Asthma resuscitation system and method."
  • Dzwonczyk R, Carlos del Rio, Michael Howie.. "Human Heart Muscle Viability Using Myocardial Electrical Impedance."
  • Dzwonczyk RR, del Rio CL, McConnell PI, Howie MB.. "Measuring human heart muscle viability using myocardial electrical impedance." Patent number: 7,657,309