Marin H. Kollef, MD; David T. Schachter, MD
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To the Editors: Defecation syncope accounts for approximately 5% of all patients who present with syncope (1-4). Pulmonary embolism presenting with syncope is reported in 17% of patients (5). Pulmonary embolism as a cause of defecation syncope has not been well described in the medical literature. We report the cases of four patients with this entity who presented to us over a 12-month period.
A 60-year-old man had a brain tumor surgically removed. On the sixteenth postoperative day after the completion of defecation, he lost consciousness, fell from the commode, and died. Autopsy showed a saddle embolus to be the
Kollef MH, Schachter DT. Defecation Syncope Caused by Pulmonary Embolism. Ann Intern Med. 1990;113:86. doi: https://doi.org/10.7326/0003-4819-113-1-86_2
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Published: Ann Intern Med. 1990;113(1):86.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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