ARTHUR E. ORLICK, M.D.; DONALD R. RICCI, M.D.; DONALD C. HARRISON, M.D.
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To the editor: We read with interest the report by Mills, Mudge, and Lesch (Ann Intern Med 84:295-296, 1976) of a patient with trepopnea. Their observation that the coronary sinus blood flow decreased when the patient turned into the left lateral decubitus position is the reason for our comment.
While using the thermodilution method (1) to measure coronary sinus blood flow, we have noted the marked changes in measured flow produced by alterations in patient position. To define these changes, we continuously measured thermodilution coronary sinus flow while a patient was rotated from a 30° left anterior oblique position to
ORLICK AE, RICCI DR, HARRISON DC. Measurement of Coronary Sinus Blood Flows: Position Effect. Ann Intern Med. 1977;86:112–113. doi: 10.7326/0003-4819-86-1-112_3
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Published: Ann Intern Med. 1977;86(1):112-113.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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