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  • Title: [Infarction of the right ventricle. 1. Hemodynamic diagnosis; pathologic correlations].
    Author: Daubert JC, Deplace C, Bourdonnec C, Pony JC, Gouffault J.
    Journal: Arch Mal Coeur Vaiss; 1977 Mar; 70(3):243-55. PubMed ID: 404981.
    Abstract:
    70 patients with acute myocardial infarction were submitted to a full haemodynamic assessment at the onset of the condition. In 28 of them there was a disproportionate rise in the right ventricular end-diastolic pressure which could not be explained on the basis of a primary rise in left ventricular filling pressures; these were divisable into two subgroups: -- 19 infarcts without septal rupture, almost all with an inferiorly or posteriorly placed lesion (17); in these cases, an analysis of the curves shows, among other features, a syndrome of adiastole whose three forms (minor, moderate or severe) correlate well with the clinical features. Six cases died, and in four of those it was possible to study the correlation with the post-mortem findings: there were major lesions of the free wall of the right ventricle in 3 cases, but constrictive pericardial changes, the main differential diagnosis of right ventricular infarction, in the fourth. -- 9 cases of necrosis of the septum with rupture, of which only 3 had a syndrome of adiastole; three of these necroses were posterior, and post-mortem examination in two of them confirmed that there were indeed major lesions in the posterior wall of the right ventricle. It therefore seems that the diagnosis of infarction of the right ventricle is a haemodynamic one, and rests especially on the discovery of a syndrome of adiastole. Findings such as these are confined almost exclusively to posteriorly placed infarctions.
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