Ronald D Berger

Professor

1983 …2019
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Research Output 1983 2019

2002

Beat-to-beat QT interval variability associated with acute myocardial ischemia

Murabayashi, T., Fetics, B., Kass, D. A., Nevo, E., Gramatikov, B. & Berger, R. D., 2002, In : Journal of Electrocardiology. 35, 1, p. 19-25 7 p.

Research output: Contribution to journalArticle

Myocardial Ischemia
Databases
Electrocardiography
Ischemia
Heart Rate

Catheter ablation of atrial flutter and macroreentrant atrial tachycardia

Wu, R. C., Berger, R. D. & Calkins, H., 2002, In : Current Opinion in Cardiology. 17, 1, p. 58-64 7 p.

Research output: Contribution to journalArticle

Atrial Flutter
Catheter Ablation
Tachycardia
Pulmonary Veins
Mitral Valve
Atrial Fibrillation
Catheters
Catheter Ablation

Daily exercise reduces measures of heart rate and blood pressure variability in hypertensive rats

DiCarlo, S. E., Collins, H. L., Rodenbaugh, D. W., Smitha, M. R., Berger, R. D. & Yeragani, V. K., 2002, In : Clinical and Experimental Hypertension. 24, 3, p. 221-234 14 p.

Research output: Contribution to journalArticle

Running
Heart Rate
Blood Pressure
Inbred SHR Rats
Catheters

Determination of the noise source in the electrocardiogram during cardiopulmonary resuscitation

Fitzgibbon, E., Berger, R. D., Tsitlik, J. & Halperin, H. R., 2002, In : Critical Care Medicine. 30, 4 SUPPL.

Research output: Contribution to journalArticle

Cardiopulmonary Resuscitation
Noise
Electrocardiography
Electrodes
Electric Impedance
Atrial Appendage
Catheter Ablation
Pulmonary Veins
Magnetic Resonance Angiography
Atrial Fibrillation

Prognostic value of heart rate variability in chronic congestive heart failure (Veterans Affairs' Survival Trial of Antiarrhythmic Therapy in Congestive Heart Failure)

Bilchick, K. C., Fetics, B., Djoukeng, R., Gross Fisher, S., Fletcher, R. D., Singh, S. N., Nevo, E. & Berger, R. D., Jul 1 2002, In : The American Journal of Cardiology. 90, 1, p. 24-28 5 p.

Research output: Contribution to journalArticle

Veterans
Heart Failure
Heart Rate
Survival
Therapeutics

Prospective randomized comparison of cooled radiofrequency versus standard radiofrequency energy for ablation of typical atrial flutter

Atiga, W. L., Worley, S. J., Hummel, J., Berger, R. D., Gohn, D. C., Mandalakas, N. J., Kalbfleisch, S., Halperin, H. R., Donahue, K., Tomaselli, G., Calkins, H. & Daoud, E., Aug 2002, In : PACE - Pacing and Clinical Electrophysiology. 25, 8, p. 1172-1178 7 p.

Research output: Contribution to journalArticle

Atrial Flutter
Catheters
Temperature
Prospective Studies
Recurrence

The strain of resynchronizing the failing heart

Eldadah, Z. A. & Berger, R. D., Dec 1 2002, In : Journal of Cardiovascular Electrophysiology. 13, 12, p. 1209-1210 2 p.

Research output: Contribution to journalArticle

Artificial Cardiac Pacing
Myocardial Contraction
Heart Failure

Wavelet variance analysis of high-resolution ECG in patients prone to VT/VF during cardiac electrophysiology studies

Kapela, A., Berger, R. D., Achim, A. & Bezerianos, A., 2002, International Conference on Digital Signal Processing, DSP. Institute of Electrical and Electronics Engineers Inc., Vol. 2. p. 1133-1136 4 p. 1028292

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analysis of variance (ANOVA)
Electrocardiography
Depolarization
Wavelet transforms
Cardiac Electrophysiology
2001

Allopurinol improves myocardial efficiency in patients with idiopathic dilated cardiomyopathy

Cappola, T. P., Kass, D. A., Nelson, G. S., Berger, R. D., Rosas, G. O., Kobeissi, Z. A., Marbán, E. & Hare, J. M., Nov 13 2001, In : Circulation. 104, 20, p. 2407-2411 5 p.

Research output: Contribution to journalArticle

Allopurinol
Dilated Cardiomyopathy
Stroke
Xanthine Oxidase
Ventricular Pressure

Broken fractals: Where's the break?

Berger, R. D., 2001, In : Journal of Cardiovascular Electrophysiology. 12, 1, p. 33-35 3 p.

Research output: Contribution to journalArticle

Fractals
Adrenergic beta-Antagonists
Linear Models
Electrocardiography
Heart Failure

Electrical induction of ventricular fibrillation for resuscitation from postcountershock pulseless and asystolic cardiac arrests

Leng, C. T., Berger, R. D., Calkins, H., Lardo, A. C., Paradis, N. A. & Halperin, H. R., Aug 7 2001, In : Circulation. 104, 6, p. 723-728 6 p.

Research output: Contribution to journalArticle

Advanced Cardiac Life Support
Ventricular Fibrillation
Heart Arrest
Resuscitation
Self-Help Groups

Erratum: (Circulation (2000) 102 (3053-3059))

Nelson, G. S., Berger, R. D., Fetics, B. J., Talbot, M., Spinelli, J. C., Hare, J. M. & Kass, D. A., Jan 23 2001, In : Circulation. 103, 3, p. 476 1 p.

Research output: Contribution to journalArticle

Laser ablation of the pulmonary veins by using a fiberoptic balloon catheter: Implications for treatment of paroxysmal atrial fibrillation

Fried, N. M., Tsitlik, A., Rent, K. C., Berger, R. D., Lardo, A. C., Calkins, H. & Halperin, H. R., 2001, In : Lasers in Surgery and Medicine. 28, 3, p. 197-203 7 p.

Research output: Contribution to journalArticle

Pulmonary Veins
Laser Therapy
Atrial Fibrillation
Catheters
Atrial Appendage
Defibrillators
Tricuspid Valve
Coronary Sinus
Heart Diseases
Myocardium
Subclavian Vein
Defibrillators
Phlebography
Head
Safety

Usefulness of magnesium sulfate in stabilizing cardiac repolarization in heart failure secondary to ischemic cardiomyopathy

Ince, C., Schulman, S. P., Quigley, J. F., Berger, R. D., Kolasa, M., Ferguson, R., Silver, B. & Haigney, M. C. P., Aug 1 2001, In : The American Journal of Cardiology. 88, 3, p. 224-229 6 p.

Research output: Contribution to journalArticle

Magnesium Sulfate
Cardiomyopathies
Heart Failure
Magnesium
Heart Rate
2000

Analysis of the pattern of initiation of sustained ventricular arrhythmias in patients with implantable defibrillators

Taylor, E., Berger, R. D., Hummel, J. D., Dinerman, J. L., Kenknight, B., Arria, A. M., Tomaselli, G. & Calkins, H., 2000, In : Journal of Cardiovascular Electrophysiology. 11, 7, p. 719-726 8 p.

Research output: Contribution to journalArticle

Implantable Defibrillators
Cardiac Arrhythmias
Ventricular Tachycardia
Heart Diseases
Premature Cardiac Complexes

Cardiopulmonary resuscitation with a hydraulic-pneumatic band

Halperin, H. R., Berger, R. D., Chandra, N., Ireland, M., Leng, C., Lardo, A. & Paradis, N., 2000, In : Critical Care Medicine. 28, 11 SUPPL.

Research output: Contribution to journalArticle

Cardiopulmonary Resuscitation
Thorax
Atrial Pressure
Pressure
Perfusion

Left ventricular or biventricular pacing improves cardiac function at diminished energy cost in patients with dilated cardiomyopathy and left bundle-branch block

Nelson, G. S., Berger, R. D., Fetics, B. J., Talbot, M., Hare, J. M., Kass, D. A. & Spinelli, J. C., Dec 19 2000, In : Circulation. 102, 25, p. 3053-3059 7 p.

Research output: Contribution to journalArticle

Cardiac Resynchronization Therapy
Bundle-Branch Block
Dilated Cardiomyopathy
Arterial Pressure
Costs and Cost Analysis

Linear lesions in heart tissue using diffused laser radiation

Fried, N. M., Lardo, A. C., Berger, R. D., Calkins, H. & Halperin, H. R., 2000, Proceedings of SPIE - The International Society for Optical Engineering. Society of Photo-Optical Instrumentation Engineers, Vol. 3907. p. 544-551 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Laser radiation
myocardium
lesions
charring
laser beams
Optical Fibers
Solid-State Lasers
Myocardium
Lasers
Catheter Ablation

Mechanical dyssynchrony in dilated cardiomyopathy with intraventricular conduction delay as depicted by 3D tagged magnetic resonance imaging.

Curry, C. W., Nelson, G. S., Wyman, B. T., Declerck, J., Talbot, M., Berger, R. D., McVeigh, E. R. & Kass, D. A., Jan 4 2000, In : Circulation. 101, 1

Research output: Contribution to journalArticle

Myocardial Contraction
Computer-Assisted Image Processing
Bundle-Branch Block
Dilated Cardiomyopathy
Reference Values

Predictors of systolic augmentation from left ventricular preexcitation in patients with dilated cardiomyopathy and intraventricular conduction delay

Nelson, G. S., Curry, C. W., Wyman, B. T., Kramer, A., Declerck, J., Talbot, M., Douglas, M. R., Berger, R. D., McVeigh, E. R. & Kass, D. A., Jun 13 2000, In : Circulation. 101, 23, p. 2703-2709 7 p.

Research output: Contribution to journalArticle

Dilated Cardiomyopathy
Cardiac Catheterization
Arterial Pressure
Blood Pressure
Canidae
Dogs
Ablation Techniques
Cardiac Electrophysiologic Techniques
Temperature

Repolarization alternans: Toward a unifying theory of reentrant arrhythmia induction

Berger, R. D., Dec 8 2000, In : Circulation Research. 87, 12, p. 1083-1084 2 p.

Research output: Contribution to journalArticle

Electrophysiology
Ventricular Fibrillation
Ventricular Tachycardia
Cardiac Arrhythmias
Electrocardiography

Resuscitation after prolonged ventricular fibrillation with use of monophasic and biphasic waveform pulses for external defibrillation

Leng, C. T., Paradis, N. A., Calkins, H., Berger, R. D., Lardo, A. C., Rent, K. C. & Halperin, H. R., Jun 27 2000, In : Circulation. 101, 25, p. 2968-2974 7 p.

Research output: Contribution to journalArticle

Ventricular Fibrillation
Resuscitation
Shock
Hemodynamics
Dogs

Targeted disruption of the Kvlqt1 gene causes deafness and gastric hyperplasia in mice

Lee, M. P., Ravenel, J. D., Hu, R. J., Lustig, L. R., Tomaselli, G., Berger, R. D., Brandenburg, S. A., Litzi, T. J., Bunton, T. E., Limb, C., Francis, H., Gorelikow, M., Gu, H., Washington, K., Argani, P., Goldenring, J. R., Coffey, R. J. & Feinberg, A. P., 2000, In : Journal of Clinical Investigation. 106, 12, p. 1447-1455 9 p.

Research output: Contribution to journalArticle

Beckwith-Wiedemann Syndrome
Deafness
Hyperplasia
Stomach
Cardiac Arrhythmias

Temporal repolarization lability in hypertrophic cardiomyopathy caused by β-myosin heavy-chain gene mutations

Atiga, W. L., Fananapazir, L., McAreavey, D., Calkins, H. & Berger, R. D., Mar 21 2000, In : Circulation. 101, 11, p. 1237-1242 6 p.

Research output: Contribution to journalArticle

Myosin Heavy Chains
Hypertrophic Cardiomyopathy
Mutation
Genes
Sudden Death

Visualization and temporal/spatial characterization of cardiac radiofrequency ablation lesions using magnetic resonance imaging

Lardo, A. C., McVeigh, E. R., Jumrussirikul, P., Berger, R. D., Calkins, H., Lima, J. & Halperin, H. R., Aug 8 2000, In : Circulation. 102, 6, p. 698-705 8 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Catheters
Catheter Ablation
Fluoroscopy
Myocardium
1999

Improved left ventricular mechanics from acute VDD pacing in patients with dilated cardiomyopathy and ventricular conduction delay

Kass, D. A., Chen, C. H., Curry, C., Talbot, M., Berger, R. D., Fetics, B. & Nevo, E., Mar 30 1999, In : Circulation. 99, 12, p. 1567-1573 7 p.

Research output: Contribution to journalArticle

Dilated Cardiomyopathy
Mechanics
Heart Failure
Blood Pressure
Cardiac Resynchronization Therapy

Letter to the editor (multiple letters)

Hohnloser, S., Cohen, R. J., Atiga, W. L., Smith, J. M. & Berger, R. D., 1999, In : Journal of Cardiovascular Electrophysiology. 10, 4, p. 626-627 2 p.

Research output: Contribution to journalArticle

Implantable Defibrillators
Sudden Cardiac Death
Ventricular Tachycardia
Stroke Volume
Electrocardiography

Ventricular pacing with premature excitation for treatment of hypertensive-cardiac hypertrophy with cavity-obliteration

Kass, D. A., Chen, C. H., Talbot, M. W., Rochitte, C. E., Lima, J., Berger, R. D. & Calkins, H., Aug 24 1999, In : Circulation. 100, 8, p. 807-812 6 p.

Research output: Contribution to journalArticle

Cardiomegaly
Dyspnea
Exercise
Dobutamine
Exercise Tolerance
1998

Beat-to-beat repolarization lability identifies patients at risk for sudden cardiac death

Atiga, W. L., Calkins, H., Lawrence, J. H., Tomaselli, G. F., Smith, J. M. & Berger, R. D., 1998, In : Journal of Cardiovascular Electrophysiology. 9, 9, p. 899-908 10 p.

Research output: Contribution to journalArticle

Sudden Cardiac Death
Cardiac Arrhythmias
Ventricular Tachycardia
Heart Diseases
Electrocardiography

Comparison of adenosine effects on atrioventricular node reentry and atrioventricular reciprocating tachycardias

Kevin Donahue, J., David Orias, M. D., Berger, R. D., Tomaselli, G. F., Lawrence, J. H. & Calkins, H., Oct 1998, In : Clinical Cardiology. 21, 10, p. 743-745 3 p.

Research output: Contribution to journalArticle

Reciprocating Tachycardia
Atrioventricular Node
Tachycardia
Adenosine
Supraventricular Tachycardia

Human heart rate variability relation is unchanged during motion sickness

Mullen, T. J., Berger, R. D., Oman, C. M. & Cohen, R. J., Jan 1998, In : Journal of Vestibular Research: Equilibrium and Orientation. 8, 1, p. 95-105 11 p.

Research output: Contribution to journalArticle

Motion Sickness
Heart Rate
Eye Protective Devices
Lung
Electrocardiography

Interaction between neuronal nitric oxide synthase and inhibitory G protein activity in heart rate regulation in conscious mice

Jumrussirikul, P., Dinerman, J., Dawson, T. M., Dawson, V., Ekelund, U., Georgakopoulos, D., Schramm, L., Calkins, H., Snyder, S. H., Hare, J. M. & Berger, R. D., Oct 1 1998, In : Journal of Clinical Investigation. 102, 7, p. 1279-1285 7 p.

Research output: Contribution to journalArticle

Nitric Oxide Synthase Type I
GTP-Binding Proteins
Heart Rate
Nitric Oxide Synthase
Pertussis Toxin

Loss of cardiac magnesium in experimental heart failure prolongs and destabilizes repolarization in dogs

Haigney, M. C. P., Wei, S., Kääb, S., Griffiths, E., Berger, R. D., Tunin, R., Kass, D. A., Fisher, W. G., Silver, B. & Silverman, H., Mar 1998, In : Journal of the American College of Cardiology. 31, 3, p. 701-706 6 p.

Research output: Contribution to journalArticle

Magnesium
Heart Failure
Dogs
Muscle Cells
Magnesium Chloride

Predictors of fluoroscopy time and estimated radiation exposure during radiofrequency catheter ablation procedures

Rosenthal, L. S., Mahesh, M., Beck, T. J., Saul, J. P., Miller, J. M., Kay, N., Klein, L. S., Huang, S., Gillette, P., Prystowsky, E., Carlson, M., Berger, R. D., Lawrence, J. H., Yong, P. & Calkins, H., 1998, In : The American Journal of Cardiology. 82, 4, p. 451-458 8 p.

Research output: Contribution to journalArticle

Catheter Ablation
Fluoroscopy
Radiation Exposure
Accessory Atrioventricular Bundle
Atrioventricular Nodal Reentry Tachycardia

Relation between impedance and electrode temperature during radiofrequency catheter ablation of accessory pathways and atrioventricular nodal reentrant tachycardia

Nsah, E., Berger, R. D., Rosenthal, L., Hui, R., Ramza, B., Jumrussirikul, P., Lawrence, J. H., Tomaselli, G., Kass, D. A. & Calkins, H., 1998, In : American Heart Journal. 136, 5, p. 844-851 8 p.

Research output: Contribution to journalArticle

Atrioventricular Nodal Reentry Tachycardia
Catheter Ablation
Electric Impedance
Electrodes
Temperature

Relationship between the upper limit of vulnerability determined in normal sinus rhythm and the defibrillation threshold in patients with implantable cardioverter defibrillators

Hui, R. C., Rosenthal, L., Ramza, B., Nsah, E., Lawrence, J., Tomaselli, G., Berger, R. D. & Calkins, H., 1998, In : PACE - Pacing and Clinical Electrophysiology. 21, 4 I, p. 687-693 7 p.

Research output: Contribution to journalArticle

Implantable Defibrillators
Ventricular Fibrillation
Shock
Equipment and Supplies
1997

Beat-to-beat QT interval variability: Novel evidence for repolarization lability in ischemic and nonischemic dilated cardiomyopathy

Berger, R. D., Kasper, E. K., Baughman, K. L., Marban, E., Calkins, H. & Tomaselli, G. F., Sep 2 1997, In : Circulation. 96, 5, p. 1557-1565 9 p.

Research output: Contribution to journalArticle

Dilated Cardiomyopathy
Heart Rate
Cardiac Arrhythmias
Electrocardiography
Sudden Death

Comparison of heart rate variability in patients with chronic fatigue syndrome and controls

Yataco, A., Talo, H., Rowe, P., Kass, D. A., Berger, R. D. & Calkins, H., 1997, In : Clinical Autonomic Research. 7, 6, p. 293-297 5 p.

Research output: Contribution to journalArticle

Chronic Fatigue Syndrome
Heart Rate
Supine Position
Tilt-Table Test
Centers for Disease Control and Prevention (U.S.)

Dispersion of ventricular activation and refractoriness in patients with idiopathic dilated cardiomyopathy

Dinerman, J. L., Berger, R. D., Haigney, M. C. P., Lawrence, J. H., Tomaselli, G. F. & Calkins, H., Apr 1 1997, In : The American Journal of Cardiology. 79, 7, p. 970-974 5 p.

Research output: Contribution to journalArticle

Dilated Cardiomyopathy
Sudden Cardiac Death
Cardiomyopathies
Action Potentials
Cardiac Arrhythmias

Power spectrum of the QRS complex in patients with panic disorder and normal controls

Yeragani, V. K., Berger, R. D., Songer, D. A. & Yeragani, S., Feb 7 1997, In : Psychiatry Research. 66, 2-3, p. 167-174 8 p.

Research output: Contribution to journalArticle

Panic Disorder
Posture
Coronary Disease
Electrocardiography
Extremities

Safety and effectiveness of placement of pacemaker and defibrillator leads in the axillary vein guided by contrast venography

Ramza, B. C. M., Rosenthal, L., Hui, R., Nsah, E., Savader, S., Lawrence, J. H., Tomaselli, G., Berger, R. D., Brinker, J. A. & Calkins, H., Oct 1 1997, In : The American Journal of Cardiology. 80, 7, p. 892-896 5 p.

Research output: Contribution to journalArticle

Axillary Vein
Defibrillators
Phlebography
Safety
Implantable Defibrillators

Signal-averaged intracardiac electrograms: A new method to detect Kent potentials

Berger, R. D., Nsah, E. & Calkins, H., 1997, In : Journal of Cardiovascular Electrophysiology. 8, 2, p. 155-160 6 p.

Research output: Contribution to journalArticle

Cardiac Electrophysiologic Techniques
Catheter Ablation
Catheters
Signal-To-Noise Ratio
Software

Tissue magnesium levels and the arrhythmic substrate in humans

Haigney, M. C. P., Berger, R. D., Schulman, S. P., Gerstenblith, G., Tunin, C., Silver, B., Silverman, H. S., Tomaselli, G. & Calkins, H., 1997, In : Journal of Cardiovascular Electrophysiology. 8, 9, p. 980-986 7 p.

Research output: Contribution to journalArticle

Magnesium
Magnesium Deficiency
Cardiac Arrhythmias
Ventricular Tachycardia
Sudden Death
1996
Catheter Ablation
Ventricular Tachycardia
Bundle of His
Tachycardia
Myotonic Dystrophy