Why the study?
Does left atrial distension augment the hypotensive effects of a 15-min moderate antiorthostatic maneuver in healthy males?
Population
10 healthy males
Comparison
Posture change from upright seated to supine for… vs Posture change from upright seated to supine…
Design
Other
Follow-up
15 minutes
Authors
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LA distension may hasten MAP decline during antiorthostasis in healthy males; leaves open relevance to clinical populations or interventions.
Does left atrial distension augment the hypotensive effects of a 15-min moderate antiorthostatic maneuver in healthy males?
Increases in left atrial diameter and aortic systolic distension are important stimuli for prompt decreases in mean arterial pressure and heart rate during antiorthostatic posture changes in humans.
Pump et al. (1997) studied this question.
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