Key result
A standard exercise stress test revealed significant differences in pulse pressure response, including a 'lag in response', in asymptomatic post-myocardial infarction patients versus normal subjects.
Why the study?
Does the pulse pressure response to a standard exercise stress differ between clinically normal individuals and asymptomatic individuals with prior myocardial infarction?
Observational
Does the pulse pressure response to a standard exercise stress differ between clinically normal individuals and asymptomatic individuals with prior myocardial infarction?
A 'lag in response' in pulse pressure during exercise stress testing may serve as an indicator of coronary artery disease and delayed myocardial metabolic activity.
The response of pulse pressure to a standard exercise stress was utilized as the basis for an exercise tolerance test measuring left ventricular efficiency. Clinically normal individuals and asymptomatic individuals who had had a myocardial infarction were studied. Significant differences were noted between these groups. A phenomenon described as a "lag in response" was detected in many subjects with coronary artery disease. This may be a reflection of the delay in oxygen use and in other metabolic activities demonstrated by diseased myocardial tissue after an exercise stress.
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G. H. HEIDORN (1958) conducted an observational in Myocardial infarction. Standard exercise stress vs. Clinically normal individuals was evaluated on Pulse pressure response. A standard exercise stress test revealed significant differences in pulse pressure response, including a 'lag in response', in asymptomatic post-myocardial infarction patients versus normal subjects.
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