Why the study?
How do right and left ventricular volumes change during upright exercise in normal men?
Population
10 normal male subjects
Comparison
Upright exercise test vs Rest in supine and upright positions
Design
Cross-sectional
Authors
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Informs normal biventricular exercise physiology benchmarks; leaves open translation to patients with cardiovascular disease.
How do right and left ventricular volumes change during upright exercise in normal men?
The cardiac response to upright exercise in normal men is primarily driven by increased myocardial contractility and venous return rather than the Frank-Starling mechanism.
Wyns et al. (1982) studied this question.
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