Why the study?
Does automated impedance cardiography differentiate hemodynamic responses in patients with positive versus negative pharmacologic stress echocardiography results?
Population
50 patients undergoing pharmacologic stress echocardiography.
Comparison
Continuous measurement of hemodynamic… vs Comparison between patients with positive versus…
Design
Cohort
Follow-up
During stress echocardiography
Authors
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May aid differentiation during dobutamine stress echocardiography; hypothesis-generating and requires prospective validation before clinical use.
Does automated impedance cardiography differentiate hemodynamic responses in patients with positive versus negative pharmacologic stress echocardiography results?
Automated impedance cardiography during dobutamine stress echocardiography can help differentiate normal from pathologic hemodynamic responses based on stroke volume and cardiac index changes.
Scherhag et al. (1997) studied this question.
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