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November 11, 1968

Pulmonary Thromboembolism in the Presence of an Endocardiac Pacing Catheter

Author Affiliations

From the section of Cardiology, Mary's Help Hospital, Daly City, Calif (Dr. Prozan); the section of Cardiology, Peninsula Hospital, Burlingame, Calif (Dr. Shipley); Stanford University Medical School and Peninsula Hospital (Dr. Madding); Stanford University Medical School and San Mateo (Calif) General County Hospital (Dr. Kennedy).

JAMA. 1968;206(7):1564-1565. doi:10.1001/jama.1968.03150070102024

Thrombosis in the right atrium and ventricle along the course of an implanted catheter pacemaker is a rare occurrence. Subsequent pulmonary emboli complicated congestive heart failure in our patient. Such a complication should be considered when congestive heart failure becomes a prominent problem in patients with implanted catheter pacemaking systems. Prophylactic anticoagulant therapy is not recommended because the problem is still rare in proportion to the number of implanted catheters.