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. Feasibility of SPECT myocardial perfusion imaging in the super-obese using a multi-head semiconductor camera with attenuation correction
  2. 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)
  3. Medical optimization of patients prior to surgery
  4. Poor positive predictive value of McConnell's sign on transthoracic echocardiography for the diagnosis of acute pulmonary embolism.
  5. Saphenous vein graft disease: Review of pathophysiology, prevention, and treatment
  6. Dual antiplatelet therapy with aspirin and clopidogrel: what is the risk in noncardiac surgery? A narrative review.
  7. Right ventricular rupture and tamponade caused by malposition of the Avalon cannula for venovenous extracorporeal membrane oxygenation
  8. Left ventricular dysfunction mimicking Takotsubo cardiomyopathy following cardiac surgery
  9. Rethinking cocaine-associated chest pain and acute coronary syndromes
  10. Diagnosis of follicular neoplasm in thyroid nodules by fine needle aspiration cytology: Does the result, benign vs. suspicious for a malignant process, in these nodules make a difference?
  11. Double-barrel coronary sinus
  12. Intravenous cocaine and QT variability.
  13. Cancer of the esophagus - Endoscopic ultrasound: Selection for cure
  14. Anti-BrdUrd labeling of newly synthesized DNA in HL-60 cells triggered to apoptosis
  15. Supravital exposure to propidium iodide identifies apoptotic cells in the absence of nucleosomal DNA fragmentation