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Correlation of abnormal Q waves, coronary pathology, and ventricular contractility.

Abstract：

:Four hundred and ninety-two patients with coronary artery disease underwent analysis of their electrocardiograms, coronary arteriograms, and ventriculograms. Significant Q-waves were correlated with critical coronary occlusions (greater than or equal 75 per cent obstruction) and ventricular contractility. It was found that Q-waves correlate equally well with ventriculographic abnormalities and critical coronary occlusions. The Q-wave correlation varied from 77 to 87 per cent, depending on the area of myocardium under consideration, except for true posterior myocardial infarction, which correlated 55 per cent with ventriculographic abnormalities and 55 per cent with critical coronary occlusions. Significant Q-waves in Leads II, III, and aVF are better indicators of ventriculographic abnormality than in Leads III and aVF alone, whereas Q-waves in the latter two leads are more definitive than in Lead III alone. Patients who have critical coronary occlusions and normal electrocardiograms have normal ventriculograms in 71 to 78 per cent of the cases, again depending on the area of the myocardium under consideration. Thus, the normal electrocardiogram correlates better with the ventriculogram than with coronary pathology. The abnormal electrocardiogram correlates equally well with both.

journal_name

Am Heart J

journal_title

American heart journal

authors

Gottlieb RS,Duca PR,Kasparian H,Scariato A,Brest AN

doi

10.1016/0002-8703(75)90425-1

subject

Has Abstract

pub_date

1975-10-01 00:00:00

pages

451-7

issue

4

eissn

0002-8703

issn

1097-6744

pii

0002-8703(75)90425-1

journal_volume

90

pub_type

杂志文章

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