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ELECTROCARDIOGRAMS WITH DEEP S WAVES IN ALL THREE STANDARD LEADS<subtitle>Report of Ten Cases</subtitle>

1951; American Medical Association; Volume: 81; Issue: 1 Linguagem: Inglês

10.1001/archpedi.1951.02040030066012

1538-3628

JEANA LEVINTHAL,

Cardiac electrophysiology and arrhythmias

THERE are two types of electrocardiograms in which the main deflection of the QRS complex is directed downward in the three standard leads: those in which prominent Q waves appear in one or more leads, owing to myocardial infarction or severe myocardial damage, and those in which only prominent S waves appear, associated with right ventricular dilatation or hypertrophy, owing to pulmonary disease or other causes. It is the purpose of this study to examine the prominent S wave pattern found in nine cases of congenital heart disease and one of chronic pulmonary disease. HISTORICAL REVIEW Burstein and Ellenbogen 1 found nine cases of the two types of pattern in a series of 15,000 electrocardiograms. In eight of their cases coronary occlusion had occurred, and in six pulmonary disease had been or was present. Marcus and Schwartz 2 have described seven cases of deep S wave pattern in patients with