Significance of the atrial contribution to ventricular filling

Philip Samet, William Bernstein, Sydney Levine

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

The contributions of atrial systole to ventricular filling are emphasized by analyses of pressure curve data in (1) patients with complete heart block studied by right and left heart catheterization, (2) patients with sinus rhythm and atrial fibrillation and (3) sinus rhythm and ventricular premature beats. The level of systolic and diastolic right and left heart pressures varies with the temporal relation between the P and QRS complexes in patients with complete heart block. Peak pressures are recorded when there is a normal temporal relation between the P and QRS complexes. The rate of rise of the systemic arterial pressure curve is also at a maximum when the normal P-QRS relation is maintained. Comparison of left ventricular and systemic arterial pressures during sinus rhythm and ventricular premature beats demonstrates higher systolic peak pressures during sinus rhythm with normal atrioventricular conduction; of equal importance is the observation that left ventricular end-diastolic pressures are higher during sinus rhythm than during a series of ventricular premature beats. One subject was studied during both atrial fibrillation and normal sinus rhythm in the course of left heart catheterization. Left ventricular. systolic and end-diastolic pressures were higher during normal sinus rhythm than during atrial fibrillation. The development of mitral regurgitation during ectopic ventricular beats is also illustrated. These data demonstrate the physiologic importance of maintaining the normal temporal sequence of atrioventricular activity.

Original languageEnglish
Pages (from-to)195-202
Number of pages8
JournalThe American journal of cardiology
Volume15
Issue number2
StatePublished - Feb 1 1965
Externally publishedYes

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Ventricular Premature Complexes
Atrial Fibrillation
Heart Block
Cardiac Catheterization
Blood Pressure
Pressure
Arterial Pressure
Systole
Mitral Valve Insufficiency

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Samet, P., Bernstein, W., & Levine, S. (1965). Significance of the atrial contribution to ventricular filling. The American journal of cardiology, 15(2), 195-202.

Significance of the atrial contribution to ventricular filling. / Samet, Philip; Bernstein, William; Levine, Sydney.

In: The American journal of cardiology, Vol. 15, No. 2, 01.02.1965, p. 195-202.

Research output: Contribution to journalArticle

Samet, P, Bernstein, W & Levine, S 1965, 'Significance of the atrial contribution to ventricular filling', The American journal of cardiology, vol. 15, no. 2, pp. 195-202.
Samet, Philip ; Bernstein, William ; Levine, Sydney. / Significance of the atrial contribution to ventricular filling. In: The American journal of cardiology. 1965 ; Vol. 15, No. 2. pp. 195-202.
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