Physician

Cardiology

Harold Klopfenstein practices Cardiology. He studied medicine at University of Miami Miller School of Medicine. University of Miami Miller School of Medicine is ranked 45 in research and 0 in primary care medicine Harold Klopfenstein is a published physician. He has 44 papers published. The most current publication "Left ventricular diastolic filling in the elderly: the cardiovascular health study."

Publications

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• M-mode echocardiographic predictors of six- to seven-year incidence of coronary heart disease, stroke, congestive heart failure, and mortality in an elderly cohort (th...
• Left ventricular diastolic filling in the elderly: the cardiovascular health study.
• Left ventricular mass in the elderly. The Cardiovascular Health Study.
• Depression of cardiac function after deep hypothermic circulatory arrest in deeply anesthetized neonatal lambs.
• Filling characteristics of left ventricle in newborn lambs.
• Sex, age, and disease affect echocardiographic left ventricular mass and systolic function in the free-living elderly. The Cardiovascular Health Study.
• Intraoperative diagnosis of left atrial myxoma.
• Effect of dynamic exercise on left atrial function in conscious dogs.
• Can pleural effusions cause tamponade-like effects?
• Accelerated myocardial relaxation in conscious dogs during acute cardiac tamponade.
• Effect of vasopressin on left ventricular performance.
• Pleural effusion as a cause of right ventricular diastolic collapse.
• Restraining effect of intact pericardium during acute volume loading.
• Echocardiographic design of a multicenter investigation of free-living elderly subjects: the Cardiovascular Health Study.
• Effect of acute cardiac tamponade on left ventricular pressure-volume relations in anaesthetised dogs.
• Influence of naloxone on response to acute cardiac tamponade in conscious dogs.
• Estrogen modulates responses of atherosclerotic coronary arteries.
• External pressure of undisturbed left ventricle.
• Increasing atrial pressure during cardiac tamponade does not elevate plasma levels of the peptide ANP in conscious dogs.
• The pathophysiology of pericardial disease--contributions derived from echocardiography/Doppler studies in animal models.
• The effect of regional myocardial ischemia on Doppler echocardiographic indexes of left ventricular performance: influence of heart rate, aortic blood pressure, and th...
• Mixed venous blood gases are superior to arterial blood gases in assessing acid-base status and oxygenation during acute cardiac tamponade in dogs.
• The effect of changes in afterload on Doppler echocardiographic indexes of left ventricular performance.
• Nonthoracotomy internal defibrillation in dogs: threshold reduction using a subcutaneous chest wall electrode with a transvenous catheter electrode.
• Catheter ablation: relationship of defibrillator waveform to the production of postshock ventricular tachyarrhythmias and myocardial damage.
• Coronary artery hemodynamics in conscious dog during cardiac tamponade.
• Regional distribution of blood flow at the onset of right ventricular diastolic collapse during cardiac tamponade.
• Influences on the distribution of blood flow during cardiac tamponade in the conscious dog.
• Total peripheral resistance during cardiac tamponade: adrenergic and angiotensin roles.
• The influence of preload and heart rate on Doppler echocardiographic indexes of left ventricular performance: comparison with invasive indexes in an experimental prepa...
• The shift in the relationship between intrapericardial fluid pressure and volume induced by acute left ventricular pressure overload during cardiac tamponade.
• Usefulness of right ventricular diastolic collapse in diagnosing cardiac tamponade and comparison to pulsus paradoxus.
• Effects of intravascular volume state on the value of pulsus paradoxus and right ventricular diastolic collapse in predicting cardiac tamponade.
• Alterations in intravascular volume affect the relation between right ventricular diastolic collapse and the hemodynamic severity of cardiac tamponade.
• Evaluation of a percutaneous catheter technique for ablation of ventricular tachycardia in a canine model.
• The relative merits of pulsus paradoxus and right ventricular diastolic collapse in the early detection of cardiac tamponade: an experimental echocardiographic study.
• Right ventricular and right atrial collapse in patients with cardiac tamponade--a combined echocardiographic and hemodynamic study.
• Changes in circulating blood volume influence aortic characteristic impedance in awake dogs.
• The hemodynamic derangement associated with right ventricular diastolic collapse in cardiac tamponade: an experimental echocardiographic study.
• Preferential distribution of inhibitory cardiac receptors with vagal afferents to the inferoposterior wall of the left ventricle activated during coronary occlusion in...
• Preferential distribution of inhbititory cardiac receptors in left ventricle of the dog.
• Postnatal changes in the circulation and responses to volume loading in sheep.
• EXPERIMENTAL HEART-BLOCK IN THE CHICK EMBRYO.

Doctors Specialties

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• Internal Medicine
• Cardiology

Accepted Insurances

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Education

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• University of Iowa Hospitals and Clinics
• University of Vermont - Fletcher Allen Health Care
• University of Miami Miller School of Medicine

Hospital

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• Miami Veterans Affairs Healthcare System

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