December 1, 1998Journal of Applied Physiology
Ambulatory impedance cardiography: a feasibility study
Why the study?
Does the ambulatory impedance monitor (AIM) provide comparable cardiac function measures to the Minnesota model 304B impedance cardiograph in healthy individuals?
Population
11 healthy men and women
Comparison
Ambulatory impedance monitor with a hybrid… vs Minnesota model 304B impedance cardiograph with…
Design
Cross-sectional
Authors
Discussion
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Member takes
Implication
AIM may support ambulatory monitoring in healthy adults; leaves open validation in disease and clinical outcomes.
Structured PICO
Does the ambulatory impedance monitor (AIM) provide comparable cardiac function measures to the Minnesota model 304B impedance cardiograph in healthy individuals?
P
Population
11 healthy men and women
I
Intervention
Ambulatory impedance monitor (AIM) with a hybrid tetrapolar spot-band electrode configuration
C
Comparator
Minnesota model 304B impedance cardiograph with standard tetrapolar band electrodes
O
Outcome
Comparability of cardiac function measures (heart rate, preejection period, left ventricular ejection time, and stroke volume) during orthostatic challengesurrogate
The ambulatory impedance monitor (AIM) provides valid non-invasive hemodynamic measurements comparable to standard impedance cardiography during postural changes.
Cite This Study
Sherwood et al. (1998) studied this question.