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Comparison of left and right ventricular function in acute myocardial infarction

✍ Scribed by Russell, Richard O. ;Dowling, John T. ;Burdeshaw, John ;Turner, Malcolm E. ;Rackley, Charles E.

Publisher: John Wiley and Sons
Year: 1976
Tongue: English
Weight: 724 KB
Volume: 2
Category: Article
ISSN: 0098-6569
DOI: 10.1002/ccd.1810020303

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Pulmonary arterial end‐diastolic and mean right atrial pressures were compared in 25 patients with acute myocardial infarction and in one patient with unstable angina. No consistent relationship was observed between these pressures. Simultaneous ventricular function curves relating the stroke work of each ventricle to its respective filling pressure were constructed on 34 occasions, dextran infusion or diuresis being used to alter the filling pressure. The curves from each ventricle were described mathematically by a quadratic (parabolic) function as well as by a straight line function and then compared by canonical correlation analysis. Alterations in the left ventricular function curves occurred with and without depression of right ventricular function curves. These hemodynamic measurements demonstrate that acute myocardial infarction can alter the relationship between left and right ventricular function.

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