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THOMAS ZISKIN, M.D.

Arch Intern Med. 1925;35(2):259-265.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To devise a simple test for estimating the functional capacity of the heart has been the aim of many investigators for several years. Many tests were advanced, most of them based primarily on the response of the heart to exercise. The majority of these tests have proved of very little value and are not being used today. Within the past decade, the study of the vital capacity of the lungs as a functional test in heart disease has gained favor with many clinicians, and favorable reports on the use of this test have been made by Peabody and Wentworth,¹ Ulrich and Nathanson² and others. Peabody and Wentworth¹ state that there is a definite relation between the vital capacity and the tendency to dyspnea, and have classified cardiac patients into four classes according to the heart's efficiency.

Patients with a vital capacity of 90 per cent, or more of the normal . . . [Full Text PDF of this Article]

Author Affiliations
MINNEAPOLIS

From the Department of Medicine, University of Minnesota Medical School and the Cardiac Section, United States Veterans' Bureau Clinic, District 10.

Footnotes
Read before the combined staffs of Lymanhurst Hospital and Parkview Sanitarium, June 24, 1924.

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