Why the study?
Does an external mechanical cardiac stimulator safely and reliably induce post-extrasystolic potentiation during echocardiography in patients?
Population
34 patients undergoing echocardiography for evaluation of left ventricular function
Comparison
External mechanical cardiac stimulator to… vs Sinus beat preceding the VPC
Design
Case_series
Authors
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May support noninvasive LV assessment during echocardiography; leaves open validation of safety and reliability in controlled trials.
Does an external mechanical cardiac stimulator safely and reliably induce post-extrasystolic potentiation during echocardiography in patients?
An external mechanical cardiac stimulator can safely and reliably induce post-extrasystolic potentiation during echocardiography, providing a noninvasive adjunct for evaluating left ventricular function.
Cohn et al. (1977) studied this question.
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