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The Bodyport cardiac scale shows high correlation with the gold standard direct Fick method. Scatter plots with regression line for cardiac output (left) and stroke volume (right) measured with the scale and direct Fick method. Cardiac output (64 data pairs, r=0.85) and stroke volume (64 data pairs, r=0.81). Preexercise data are denoted with black circles and postexercise data with white circles.
