This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Request Permissions Citing Articles Citing Articles via Google Scholar Google Scholar Articles by STARR, I. Articles by SCHILD, A. Search for Related Content PubMed PubMed Citation Articles by STARR, I. Articles by SCHILD, A.

(Circulation. 1955;12:1005.)
© 1955 American Heart Association, Inc.

---

Studies Made by Simulating Systole at Necropsy

VII. Clinical Methods for Estimating the Work of the Left Ventricle. With a Note on the Diminution of Heart Work as Age Advances

ISAAC STARR M.D.¹; S. I. ASKOVITZ M.D.¹; W. FEDER M.D.¹; A. SCHILD PH.D.¹

¹ From the Department of Therapeutic Research of the Medical School of the University of Pennsylvania, Philadelphia, Pa.

"Left ventricular" work can be estimated with great accuracy in cadaver experiments in which both pressure curves and curves of cardiac output at each instant of systole were recorded. Using these accurate estimates as a target, methods have been sought which would permit the estimation of cardiac work from measurements which could be made in the clinic and the accuracy of such methods has been assessed. A method of approximating the left ventricular work has been devised which is so simple that it could be used by any doctor practising medicine.