James S. Cole, M.D.; Robert D. Conn, M.D., F.A.C.P.
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Standard criteria have not been developed to describe the clinical characteristics of the cardiac apex impulse, and useful correlations between "abnormal" apex impulses and alterations in left ventricular mass and volume have not been established. In this study the apex impulse was evaluated at the bedside in 44 patients with valvular or congenital heart disease and compared with the left ventricular mass, and volume was determined by quantitative angiography. The wave form of the impulse was evaluated using a fiber-optic transducer and recorded on a Sanborn 500 electrocardiogram machine. The palpable characteristics of the impulse were described in terms of
James S. Cole, Robert D. Conn. Cardiac Apex Impulse: Clinical and Angiographic Correlations.. Ann Intern Med. 1969;70:1075. doi: 10.7326/0003-4819-70-5-1075_2
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Published: Ann Intern Med. 1969;70(5):1075.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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