• T Gershon, J Kuruppu, and J Olshaker.
• Emergency Care Services, Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
• J Emerg Med. 2000 Apr 1;18(3):355-9.

AbstractCardiogenic shock is one of the most dramatic presentations in Emergency Medicine and requires rapid and accurate assessment, evaluation, and treatment. The cardiovascular disasters that present with shock include acute myocardial infarction with pump failure, aortic dissection, massive pulmonary emboli, and cardiac tamponade. We report a patient who presented to our Emergency Department (ED) in cardiogenic shock 10 days after insertion of a permanent cardiac pacemaker. The patient had developed pericardial tamponade secondary to the insertion. In reviewing the literature, we found many reports relating to complications of pacemakers and even more information regarding the various etiologies of cardiac tamponade, but cardiac tamponade as a consequence of pacemaker insertion rarely has been reported. Cardiac tamponade can occur secondary to perforation of the right ventricle during pacemaker electrode insertion and manipulation. Perforation is generally believed to be benign and self-limiting and only rarely causes tamponade and hemodynamic compromise; however, that was not the case for our patient.

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