The George Fahr Lecture | Zendy

G.E. Burch | Zendy; Cynthia Ray | Zendy; J. A. CRONVICH | Zendy

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The George Fahr Lecture

Author(s) -

G.E. Burch,

Cynthia Ray,

J. A. CRONVICH

Publication year - 1952

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/01.cir.5.4.504

Subject(s) - medicine , ventricle , cardiac cycle , contraction (grammar) , cardiology , human heart , anatomy

This is a general theoretic consideration of certain mechanical peculiarities of the human heart. It includes a discussion of mechanical advantages of the average size and average pressures, the effects of various pressures and ventricular volumes on ventricular work and "load," mechanical advantages of the structural arrangement of muscular fibers and manner of contraction, as well as the time course of ventricular work and power produced during a cardiac cycle. The role of the trabeculae carneae and papillary muscles in the emptying of a normal sized ventricle is also discussed.

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