Philadelphia University + Thomas Jefferson University
Sidney Kimmel Medical College
Department of Medicine

Marhefka, Gregary

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Gregary D. Marhefka, MD, FACC, FACP

Contact Dr. Marhefka

925 Chestnut Street
Mezzanine Level
Philadelphia, PA 19107

(215) 503-5650 fax

Medical School

Jefferson Medical College - 1998


National Naval Medical Center, Bethesda, MD


Thomas Jefferson University Hospital

Board Certification

Internal Medicine
Cardiovascular Disease

Hospital Appointment

Thomas Jefferson University Hospital


Most Recent Peer-Reviewed Publications

  1. Clinical Significance of Spontaneous Echo Contrast on Extracorporeal Membrane Oxygenation
  2. Exercise during pregnancy in normal-weight women and risk of preterm birth: a systematic review and meta-analysis of randomized controlled trials
  3. Right ventricular enlargement: Within months of arteriovenous fistula creation in 2 hemodialysis patients
  4. Cupping and coining: Alternative medicine delaying myocardial infarction therapy
  5. Acute hypertension: Hypertensive urgency and hypertensive emergency
  6. Prompt recognition of left ventricular free-wall rupture: Aided by the use of contrast echocardiography
  7. The effect of aspirin on bleeding and transfusion in contemporary cardiac surgery
  8. Feasibility of SPECT myocardial perfusion imaging in the super-obese using a multi-head semiconductor camera with attenuation correction
  9. Patient characteristics and predictors of mortality associated with pericardial decompression syndrome: A comprehensive analysis of published cases
  10. Medical optimization of patients prior to surgery
  11. Vorapaxar in acute coronary syndrome patients undergoing coronary artery bypass graft surgery: Subgroup analysis from the TRACER trial (Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome)
  12. Saphenous vein graft disease: Review of pathophysiology, prevention, and treatment
  13. Dual antiplatelet therapy with aspirin and clopidogrel: what is the risk in noncardiac surgery? A narrative review.
  14. Poor positive predictive value of McConnell's sign on transthoracic echocardiography for the diagnosis of acute pulmonary embolism.
  15. Right ventricular rupture and tamponade caused by malposition of the Avalon cannula for venovenous extracorporeal membrane oxygenation
  16. Left ventricular dysfunction mimicking Takotsubo cardiomyopathy following cardiac surgery
  17. Rethinking cocaine-associated chest pain and acute coronary syndromes
  18. Double-barrel coronary sinus
  19. Intravenous cocaine and QT variability.