Ronald D Berger

Professor

1983 …2019
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Research Output 1983 2019

1996

Recurrence of conduction following radiofrequency catheter ablation procedures: Relationship to ablation target and electrode temperature

Calkins, H., Prystowsky, E., Berger, R. D., Saul, J. P., Klein, L. S., Liem, L. B., Huang, S. K. S., Gillette, P., Yong, P. & Carlson, M., 1996, In : Journal of Cardiovascular Electrophysiology. 7, 8, p. 704-712 9 p.

Research output: Contribution to journalArticle

Catheter Ablation
Electrodes
Recurrence
Temperature
Atrioventricular Nodal Reentry Tachycardia

Temperature monitoring during radiofrequency ablation

Dinerman, J. L., Berger, R. D. & Calkins, H., 1996, In : Journal of Cardiovascular Electrophysiology. 7, 2, p. 163-173 11 p.

Research output: Contribution to journalArticle

Temperature
Catheter Ablation
Electrodes
Heating
Wounds and Injuries
1995

Role of atrial contraction in diastolic pressure elevation induced by rapid pacing of hypertrophied canine ventricle

Berger, R. D., Wolff, M. R., Anderson, J. H. & Kass, D. A., 1995, In : Circulation Research. 77, 1, p. 163-173 11 p.

Research output: Contribution to journalArticle

Heart Ventricles
Canidae
Blood Pressure
Dogs
Hypertrophy
1994

Effects of nortriptyline on heart rate variability in panic disorder patients: A preliminary study using power spectral analysis of heart rate

Yeragani, V. K., Srinivasan, K., Pohl, R., Berger, R. D., Baton, R. & Ramesh, C., 1994, In : Neuropsychobiology. 29, 1, p. 1-7 7 p.

Research output: Contribution to journalArticle

Nortriptyline
Panic Disorder
Heart Rate
Yohimbine
Tricyclic Antidepressive Agents

Relationship between age and heart rate variability in supine and standing postures: A study of spectral analysis of heart rate

Yeragani, V. K., Pohl, R., Berger, R. D., Balon, R. & Srinivasan, K., Jan 1994, In : Pediatric Cardiology. 15, 1, p. 14-20 7 p.

Research output: Contribution to journalArticle

Posture
Heart Rate
Blood Pressure

Sodium lactate increases sympathovagal ratios in normal control subjects: Spectral analysis of heart rate, blood pressure, and respiration

Yeragani, V. K., Srinivasan, K., Pohl, R., Berger, R. D., Balon, R. & Berchou, R., 1994, In : Psychiatry Research. 54, 1, p. 97-114 18 p.

Research output: Contribution to journalArticle

Sodium Lactate
Lactic Acid
Respiration
Heart Rate
Cholinergic Agents

Sudden cardiac death in heart failure: The role of abnormal repolarization

Tomaselli, G. F., Beuckelmann, D. J., Calkins, H., Berger, R. D., Kessler, P. D., Lawrence, J. H., Kass, D. A., Feldman, A. M. & Marban, E., Nov 1994, In : Circulation. 90, 5, p. 2534-2539 6 p.

Research output: Contribution to journalArticle

Sudden Cardiac Death
Heart Failure
Sudden Death
Tachycardia
Myocardium
1993

A Time Domain Approach for the Fluctuation Analysis of Heart Rate Related to Instantaneous Lung Volume

Yana, K., Saul, J. P., Berger, R. D., Perrott, M. H. & Cohen, R. J., 1993, In : IEEE Transactions on Biomedical Engineering. 40, 1, p. 74-81 8 p.

Research output: Contribution to journalArticle

Impulse response
Processing

Decreased heart rate variability in panic disorder patients: A study of power-spectral analysis of heart rate

Yeragani, V. K., Pohl, R., Berger, R. D., Balon, R., Ramesh, C., Glitz, D., Srinivasan, K. & Weinberg, P., 1993, In : Psychiatry Research. 46, 1, p. 89-103 15 p.

Research output: Contribution to journalArticle

Panic Disorder
Heart Rate
Posture
Power (Psychology)
Adrenergic Agents

Is the power spectrum of the QRS complex related to a fractal His-Purkinje system?

Berger, R. D., Rosenbaum, D. S. & Cohen, R. J., Feb 15 1993, In : The American Journal of Cardiology. 71, 5, p. 430-433 4 p.

Research output: Contribution to journalArticle

Fractals
Nonlinear Dynamics
Ventricular Premature Complexes
1992

Effects of yohimbine on heart rate variability in panic disorder patients and normal controls: A study of power spectral analysis of heart rate

Yeragani, V. K., Berger, R. D., Pohl, R., Srinivasan, K., Balon, R., Ramesh, C., Weinberg, P. & Berchou, R., 1992, In : Journal of Cardiovascular Pharmacology. 20, 4, p. 609-618 10 p.

Research output: Contribution to journalArticle

Yohimbine
Panic Disorder
Heart Rate
Posture
Adrenergic Agents
1991

Spectral Analysis of Heart Rate in Diabetic Autonomic Neuropathy: A Comparison with Standard Tests of Autonomic Function

Freeman, R., Saul, J. P., Roberts, M. S., Berger, R. D. & Cohen, R. J., 1991, In : Archives of Neurology. 48, 2, p. 185-190 6 p.

Research output: Contribution to journalArticle

Diabetic Neuropathies
Heart Rate
Blood Pressure
Parasympathetic Nervous System
Sympathetic Nervous System

Transfer function analysis of the circulation: Unique insights into cardiovascular regulation

Saul, J. P., Berger, R. D., Albrecht, P., Stein, S. P., Chen, M. H. & Cohen, R. J., 1991, In : American Journal of Physiology - Heart and Circulatory Physiology. 261, 4 30-4

Research output: Contribution to journalArticle

Arterial Pressure
Respiration
Heart Rate
Respiratory Rate
Atropine

Fluctuation analysis of the heart rate related to instantaneous lung volume: A time domain approach

Yana, K., Saul, J. P., Berger, R. D., Perrott, M. H. & Cohen, R. J., 1990, Proceedings of the Annual Conference on Engineering in Medicine and Biology. pt 2 ed. Publ by IEEE, p. 790-792 3 p.

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

Frequency domain analysis
Identification (control systems)

Heart rate and muscle sympathetic nerve variability during reflex changes of autonomic activity

Saul, J. P., Rea, R. F., Eckberg, D. L., Berger, R. D. & Cohen, R. J., 1990, In : American Journal of Physiology - Heart and Circulatory Physiology. 258, 3 27-3

Research output: Contribution to journalArticle

Reflex
Myocardium
Heart Rate
Muscles
Norepinephrine

Short-term blood pressure regulation: A combination of feedback and mechanics

Saul, J. P., Berger, R. D. & Cohen, R. J., 1990, Proceedings of the Annual Conference on Engineering in Medicine and Biology. pt 2 ed. Publ by IEEE, p. 702 1 p.

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

Pressure regulation
Blood pressure
Mechanics
Feedback
Pressure control
1989

A simple analytical model mimics complex physiological behavior

Saul, J. P., Berger, R. D. & Cohen, R. J., Sep 1989, Computers in Cardiology. Publ by IEEE, p. 335-338 4 p.

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

Blood pressure
Analytical models
Arterial Pressure
Heart Rate
Respiration

Assessment of Autonomic Response by Broad-Band Respiration

Berger, R. D., Saul, J. P. & Cohen, R. J., 1989, In : IEEE Transactions on Biomedical Engineering. 36, 11, p. 1061-1065 5 p.

Research output: Contribution to journalArticle

Neurology
Spectrum analysis
Transfer functions
Bandwidth

Assessment of the HR baroreflex in human subjects using parametric system identification

Appel, M. L., Saul, J. P., Berger, R. D. & Cohen, R. J., Nov 1989, Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Kim, Y. & Spelman, F. A. (eds.). Publ by Alliance for Engineering in Medicine & Biology, Vol. 11 pt 1. p. 4-5 2 p.

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

Identification (control systems)
Blood pressure
Cardiovascular system
Atropine
Propranolol

Beat to beat variability in cardiovascular variables: Noise or music?

Appel, M. L., Berger, R. D., Saul, J. P., Smith, J. M. & Cohen, R. J., Nov 1 1989, In : Journal of the American College of Cardiology. 14, 5, p. 1139-1148 10 p.

Research output: Contribution to journalArticle

Music
Noise
Cardiovascular System
Stroke Volume
Arterial Pressure

Closed-loop identification of cardiovascular regulatory mechanisms

Appel, M. L., Saul, J. P., Berger, R. D. & Cohen, R. J., Sep 1989, Computers in Cardiology. Publ by IEEE, p. 3-8 6 p.

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

Least-Squares Analysis
Arterial Pressure
Respiration
Heart Rate
Lung
Nerve Transfer
Sinoatrial Node
Canidae

Transfer function analysis of cardiovascular regulation in an open-loop animal model

Berger, R. D., Fogaca, M. F., Saul, J. P. & Cohen, R. J., Sep 1989, Computers in Cardiology. Publ by IEEE, p. 331-334 4 p.

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

Transfer functions
Arterial Pressure
Animals
Extremities
Animal Models
1988

Analysis of long term heart rate variability: methods, 1/f scaling and implications.

Saul, J. P., Albrecht, P., Berger, R. D. & Cohen, R. J., 1988, In : Computers in Cardiology. 14, p. 419-422 4 p.

Research output: Contribution to journalArticle

Heart Rate
Electrocardiography
Ambulatory Monitoring
Nonlinear filtering
Phase locked loops

Assessment of autonomic regulation in chronic congestive heart failure by heart rate spectral analysis

Saul, J. P., Arai, Y., Berger, R. D., Lilly, L. S., Colucci, W. S. & Cohen, R. J., Jun 1 1988, In : The American Journal of Cardiology. 61, 15, p. 1292-1299 8 p.

Research output: Contribution to journalArticle

Heart Failure
Heart Rate
Baroreflex
Hemodynamics

Respiratory effects on arterial pressure: A novel signal analysis approach

Berger, R. D., Saul, J. P., Albrecht, P., Stein, S. P. & Cohen, R. J., Nov 1988, IEEE/Engineering in Medicine and Biology Society Annual Conference. pt2 ed. Publ by IEEE, Vol. 10. p. 533-534 2 p.

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

Signal analysis
Blood pressure
Transfer functions
1987

ANALYSIS OF THE RESPONSE OF THE SINO-ATRIAL NODE TO FLUCTUATIONS IN SYMPATHETIC AND PARASYMPATHETIC TONE USING BROAD BAND STIMULATION TECHNIQUES.

Berger, R. D. & Cohen, R. J., 1987, Computers in Cardiology. IEEE, p. 153-156 4 p.

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

Sinoatrial Node
White noise
Transfer functions
Heart Rate
Dogs

SPECTRAL ANALYSIS OF PERONEAL NERVE SYMPATHETIC ACTIVITY AND HEART RATE IN MAN.

Saul, J. P., Rea, R. F., Berger, R. D., Eckberg, D. L. & Cohen, R. J., 1987, Computers in Cardiology. IEEE, p. 423-426 4 p.

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

Peroneal Nerve
Spectrum analysis
Heart Rate
Muscle
Norepinephrine

TRANSFER FUNCTION ANALYSIS OF THE AUTONOMIC RESPONSE TO RESPIRATORY ACTIVITY DURING RANDOM INTERVAL BREATHING.

Chen, M. H., Berger, R. D., Saul, J. P., Stevenson, K. & Cohen, R. J., 1987, Computers in Cardiology. IEEE, p. 149-152 4 p.

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

Autonomic Nervous System
Neurology
Posture
Frequency response
Transfer functions
1986

An Efficient Algorithm for Spectral Analysis of Heart Rate Variability

Berger, R. D., Akselrod, S., Gordon, D. & Cohen, R. J., 1986, In : IEEE Transactions on Biomedical Engineering. BME-33, 9, p. 900-904 5 p.

Research output: Contribution to journalArticle

Spectrum analysis
Electrocardiography
Pulse time modulation
Pacemakers

CLOSED-LOOP IDENTIFICATION OF BEAT-TO-BEAT INTERACTIONS BETWEEN HEART RATE AND BLOOD PRESSURE.

Kenet, R. O., Tuteur, F. B., Berger, R. D., Akselrod, S. & Cohen, R. J., 1986, Unknown Host Publication Title. IEEE, p. 111-114 4 p.

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

Blood pressure
Hemodynamics
Control systems
Feedback
Mechanical properties
1983

A Quantitative Model for the Ventricular Response During Atrial Fibrillation

Cohen, R. J., Berger, R. D. & Dushane, T. E., 1983, In : IEEE Transactions on Biomedical Engineering. BME-30, 12, p. 769-781 13 p.

Research output: Contribution to journalArticle

Depolarization
Refractory materials

EXPERIMENTAL APPLICATION OF A COMPUTER MODEL FOR ATRIAL FIBRILLATION.

Berger, R. D., Bailin, M. T., Pollick, F. & Cohen, R. J., 1983, Computers in Cardiology. IEEE, p. 197-200 4 p.

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

Computer Simulation
Atrial Fibrillation