Why the study?
Does exercise induce abnormal systolic time interval responses in patients with angina pectoris compared to normal controls?
Population
20 patients with angina, 20 age-matched normal controls, 12 patients with primary myocardial disease and…
Comparison
4-minute and 2-minute exercise vs Age-matched normal controls
Design
Case-control
Authors
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Exercise-induced LVETc prolongation may indicate impaired LV performance in angina; hypothesis-generating and should not yet change practice.
Does exercise induce abnormal systolic time interval responses in patients with angina pectoris compared to normal controls?
Mild exercise abnormally prolongs left ventricular ejection time in patients with angina, offering potential diagnostic value for detecting impaired left ventricular performance.
Pouget et al. (1971) studied this question.
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