Right ventricular infarction. Clinical and hemodynamic features

Jay N. Cohn, Nabil H. Guiha, Martin I. Broder, Constantinos J. Limas

Research output: Contribution to journalArticle

380 Citations (Scopus)

Abstract

Six patients with acute myocardial infarction presented with hemodynamic evidence of predominant right ventricular failure, characterized by a mean right atrial pressure averaging 20.2 mm Hg and left ventricular filling pressure averaging 16.3 mm Hg. Autopsy in two cases revealed extensive involvement of the right as well as the left ventricle. Clinically the patients usually had evidence of diaphragmatic wall infarction, distended neck veins, hypotension and heart block. Pressure contours and mean pressure often showed no significant change as the catheter was advanced from the right atrium to the pulmonary artery. Shock in three patients was effectively treated with plasma volume expansion, to increase further right-sided pressure, or the administration of sodium nitroprusside, to reduce left-sided filling pressure. It is suggested that when right ventricular infarction accompanies left ventricular infarction, a unique clinical and hemodynamic syndrome occurs because the ability of the right ventricle to maintain adequate left ventricular filling is impaired. Recognition of this syndrome is vital if appropriate therapy is to be instituted.

Original languageEnglish (US)
Pages (from-to)209-214
Number of pages6
JournalThe American Journal of Cardiology
Volume33
Issue number2
DOIs
StatePublished - Jan 1 1974

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Infarction
Hemodynamics
Pressure
Heart Ventricles
Heart Block
Atrial Pressure
Plasma Volume
Nitroprusside
Ventricular Pressure
Heart Atria
Hypotension
Pulmonary Artery
Autopsy
Veins
Shock
Neck
Catheters
Myocardial Infarction
Therapeutics

Cite this

Right ventricular infarction. Clinical and hemodynamic features. / Cohn, Jay N.; Guiha, Nabil H.; Broder, Martin I.; Limas, Constantinos J.

In: The American Journal of Cardiology, Vol. 33, No. 2, 01.01.1974, p. 209-214.

Research output: Contribution to journalArticle

Cohn, Jay N. ; Guiha, Nabil H. ; Broder, Martin I. ; Limas, Constantinos J. / Right ventricular infarction. Clinical and hemodynamic features. In: The American Journal of Cardiology. 1974 ; Vol. 33, No. 2. pp. 209-214.
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