The Effect of Cycle Length on the Time of Occurrence of the First Heart Sound and the Opening Snap in Mitral Stenosis-Reference-Cited by-同舟云学术

The Effect of Cycle Length on the Time of Occurrence of the First Heart Sound and the Opening Snap in Mitral Stenosis

Published:1951-10 Issue:4 Volume:4 Page:576-580
ISSN:0009-7322
Container-title:Circulation
language:en
Short-container-title:Circulation

Author:

MESSER ADDISON L.¹,COUNIHAN TIMOTHY B.¹,RAPPAPORT MAURICE B.¹,SPRAGUE HOWARD B.¹

Affiliation:

1. From the Cardiac Laboratory of the Massachusetts General Hospital.

Abstract

Phonocardiography is often more valuable than electrocardiography in timing mechanical events in the cardiac cycle. This study shows that the opening and closing of the mitral valve are related to the length of the previous heart cycle as demonstrated by the variations occuring in auricular fibrillation. These variations in valve action are controlled by the pressure gradient between left auricle and ventricle.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

Link

https://www.ahajournals.org/doi/pdf/10.1161/01.CIR.4.4.576

Reference12 articles.

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5. The Initial Vibrations of the First Heart Sound

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2. Die Mitralstenose;Herzkrankheiten;1977

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4. Bibliography;The Sounds of the Diseased Heart;1973

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