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T HE CHANGES of the Q-T interval during and after exercise in normal subjects, and in patients with cardiopulmonary diseases, have been described in a previous communication.' Level walking was done on a motor driven treadmill for 10 minutes, or less if markedly disabled, at a pace of either 1.73 or 2.60 miles per hour. In normal subjects the corrected Q-T(More)
P RESSURE patterns from the right auricle and ventricle in constrictive pericarditis were first described in 1946 by Bloomfield and associates' and recently by Hansen and associates2 and McKusick.3 The right auricular pressure curve consists of (a) an M or W shaped pattern with two upward and two downward deflections, (b) moderately or markedly elevated(More)