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Figure 1 Screen of the RadiAnalyzer Physio monitor used for measurement of left ventricular (LV) pressure and maximum rate of left ventricular pressure rise (LVdP/dtmax). Upper tracing is LV pressure, lower tracing is LVdP/dtmax. Instantaneous values and average values are displayed on the right side of the tracings. Left lower panel provides information about lead positions, pacing state, AV interval, V-V interval, and stimulation rate. Right lower panel provides a chronologic overview of measured parameters. Notice in the time column that the time elapsed between 14 measurements, 4 right ventricular (RV), 5 left ventricular (LV), and 5 biventricular (BiV) is 7 min. The LVdP/dtmax for RV, LV, and BiV pacing is 674, 851, and 782 mm Hg/s, respectively.
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