Why the study?
Does exercise or experimental tachycardia significantly alter stroke volume and ventricular dimensions in normal humans and intact dogs?
Population
Intact dogs and normal humans (including athletes and patients with chronic volume loads)
Comparison
Exercise/exertion and experimental tachycardia vs Rest
Design
Review
Authors
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Stroke volume increase is unnecessary for normal exercise response; challenges historical concepts from indirect measures and leaves open direct validation needs.
Does exercise or experimental tachycardia significantly alter stroke volume and ventricular dimensions in normal humans and intact dogs?
The paper highlights that increased stroke volume is not a mandatory feature of the normal cardiac response to exercise, challenging older concepts based on indirect measurements.
Robert F. Rushmer (1959) studied this question.
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