BMJ Case Reports 2012; doi:10.1136/bcr.09.2011.4792
  • Myth exploded

Unraveling the paradox of cardiac tamponade: case presentation and discussion of physiology

  1. Salman Hashmi1
  1. 1Pulmonary and Critical Care Medicine Department, University of Maryland, Baltimore, Maryland, USA
  2. 2Cardiology Department, University of Maryland, Baltimore, Maryland, USA
  1. Correspondence to Dr Robert Michael Reed, rreed{at}


A 53-year-old man on warfarin for postoperative pulmonary embolism presented with chest pain and was found to be in cardiac tamponade due to an atraumatic haemopericardium. Findings of tamponade and a novel approach to the pathophysiology of pericardial disease to explain these finding are presented.


  • Competing interests None.

  • Patient consent Not obtained.

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