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(Circulation. 1957;16:3.)
© 1957 American Heart Association, Inc.

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Tricuspid Stenosis

Physiologic Criteria for Diagnosis and Hemodynamic Abnormalities

THOMAS KILLIP III M.D.¹ DANIEL S. LUKAS M.D.¹

¹ From the Cardio-Pulmonary Laboratory and the Department of Medicine of the New York Hospital-Cornell Medical Center, New York, N. Y.

Physiologic criteria for the diagnosis of tricuspid stenosis have not been satisfactorily established. In an attempt to define these criteria the pressure gradients across the tricuspid valve during right ventricular diastole were analyzed in 10 patients with tricuspid stenosis and compared with the gradients in a group of patients who did not have this lesion. The diagnostic importance of the mean gradient is emphasized. The hemodynamic abnormalities associated with the tricuspid stenosis are presented and discussed.