LeonardM.ZirMD

Cardiology • Cambridge, MA

Adult Congenital Heart Disease

Physician

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Office
300 Mount Auburn St
Suite 310
Cambridge, MA 02138
Phone+1 617-497-1560

Fax+1 617-497-1109
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Summary

Dr. Leonard Zir, MD is a cardiologist in Cambridge, Massachusetts. He is currently licensed to practice medicine in Massachusetts. He is affiliated with Mount Auburn Hospital.

Education & Training

Massachusetts General HospitalFellowship, Cardiovascular Disease, 1972 - 1974
NYU Grossman School of MedicineResidency, Internal Medicine, 1971 - 1972
NYU Grossman School of MedicineResidency, Internal Medicine, 1967 - 1969
New York University School of MedicineClass of 1967

Certifications & Licensure

MA State Medical License 1972 - 2025
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Cardiovascular Disease

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification eClinicalWorks EHR, eClinicalWorks LLC, 2011-2013

Publications & Presentations

PubMed

175 citations
Increased lung uptake of thallium-201 during exercise myocardial imaging: Clinical, hemodynamic and angiographic implications in patients with coronary artery disease
Charles A. Boucher, Leonard M. Zir, George A. Beller, Robert D. Okada, Kenneth A. McKusick, H. William Strauss, Gerald M. Pohost> ;The American Journal of Cardiology. 1980 Aug 1
16 citations
Late graft patency and symptom relief after aorta-coronary bypass.
Burt N. Fowler, Marshall L. Jacobs, Leonard M. Zir, Robert E. Dinsmore, Michael P. Vezeridis, Willard M. Daggett> ;The Journal of Thoracic and Cardiovascular Surgery. 1980 Feb 1
30 citations
Effects of coronary bypass grafting on resting left ventricular contraction in patients studied 1 to 2 years after operation.
Leonard M. Zir, Robert E. Dinsmore, Michael Vexeridis, J. Warren Harthorne, Willard M. Daggett> ;The American Journal of Cardiology. 1979 Oct 1
153 citations
Transient defects of resting thallium scans in patients with coronary artery disease.
George A. Beller, H.W. Strauss, Robert E. Dinsmore, Leonard M. Zir, Kenneth A. McKusick, Gerald M. Pohost> ;Circulation. 1979 Apr 1
542 citations
Interobserver variability in coronary angiography.
Leonard M. Zir, S W Miller, Robert E. Dinsmore, J P Gilbert, J W Harthorne> ;Circulation. 1976 Apr 1
1 citations
Effects of intravenous glucose during pacing‐induced angina pectoris in patients with coronary artery disease
Leonard M. Zir, Michael M. Nocero, Barbara Weisinger, Kenneth R. Krauss, Ephraim Glassman> ;Catheterization and Cardiovascular Diagnosis. 1976 Jan 1
46 citations
Coronary occlusion during coronary angiography.
Stephen B. Guss, Leonard M. Zir, Henry Garrison, Willard M. Daggett, Peter C. Block, Robert E. Dinsmore> ;Circulation. 1975 Dec 1
2 citations
Experience with Preformed Catheters for Coronary Angiography by the Brachial Approach
Leonard M. Zir, Robert E. Dinsmore, Cynthia Goss, J. Warren Harthorne> ;Catheterization and Cardiovascular Diagnosis. 1975 Jan 1
7 citations
Renal Excretion of Uric Acid: Alterations During Stressful Underwater Demolition-Team Training
Leonard M. Zir, William B. McHugh, Ransom J. Arthur, > ;Archives of Internal Medicine. 1973 Dec 1
75 citations
Variant angina associated with angiographically demonstrated coronary artery spasm and REM sleep.
Michael J. King, Leonard M. Zir, > ;The American Journal of the Medical Sciences. 1973 May 1
56 citations
Sleep and cardiac arrhythmias.
Richard C. Smith, Laverne Johnson, Leonard M. Zir, Barry Tharp> ;Archives of Internal Medicine. 1972 Nov 1
5 citations
The relationship of human growth hormone and plasma tyrosine during sleep.
Leonard M. Zir, Donal C. Parker, Richard A. Smith, Lawrence G. Rossman> ;The Journal of Clinical Endocrinology and Metabolism. 1972 Jan 1
43 citations
Human growth hormone release in sleep: effect of daytime exercise.
Leonard M. Zir, Richard A. Smith, Donal C. Parker> ;The Journal of Clinical Endocrinology and Metabolism. 1971 May 1
Observer variability in coronary angiography.
Zir, L. M.> ;Int J Cardiol. 1983 May
Effect of contrast agents on platelet aggregation and 14C-serotonin release.
Zir, L. M., Carvalho, A. C., Hawthorne, J. W., Colman, R. W., Lees, R. S.> ;N Engl J Med. 1974 Jul 18
Effects of strenuous swim competition in the older age group.
Zir, L. M., Rahe, R. H., Rubin, R. T., Arthur, R. J.> ;J Sports Med Phys Fitness. 1972 Sep 01
Left ventricular wall motion response to intravenous propranolol.
Shubrooks, S. J., Zir, L. M., Dinsmore, R. E., Harthorne, J. W.> ;Circulation. 1975 Jul
Blood calcium levels in the presence of arteriographic contrast material.
Caulfield, J. B., Zir, L., Harthorne, J. W.> ;Circulation. 1975 Jul
Diagnostic uses of electrical pacing.
Zir, L. M., DeSanctis, R. W., Harthorne, J. W.> ;Cardiovasc Clin. 1975
Differentiation of transiently ischemic from infarcted myocardium by serial imaging after a single dose of thallium-201.
Pohost, G. M., Zir, L. M., Moore, R. H., McKusick, K. A., Guiney, T. E., Beller, G. A.> ;Circulation. 1977 Feb
Total anomalous pulmonary venous connection and severe pulmonic stenosis in a 52-year-old man.
Pastore, J. O., Akins, C. W., Zir, L. M., Buckley, M. J., Dinsmore, R. E.> ;Circulation. 1977 Jan
The risk of advanced heart block in surgical patients with right bundle branch block and left axis deviation.
Pastore, J. O., Yurchak, P. M., Janis, K. M., Murphy, J. D., Zir, L. M.> ;Circulation. 1978 Apr
Relation between phasic mitral flow and the echocardiogram of the mitral valve in man.
Vignola, P. A., Walker, H. J., Pohost, G. M., Zir, L. M.> ;Br Heart J. 1977 Dec
Patterns of haemodynamic alteration during left ventricular ischaemia in man. Relation to angiographic extent of coronary artery disease.
Johnson, R. A., Zir, L. M., Harper, R. W., Leinbach, R. C., Hutter, A. M., Pohost, G. M., Block, P. C., Gold, H. K.> ;Br Heart J. 1979 Apr
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Hospital Affiliations

Mount Auburn HospitalCambridge, Massachusetts