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Mean results of LV function analysis and velocimetry. Mean values (±standard deviation) of parameters assessed from velocimetry in the ascending aorta (a) and LV volumetry (b) for each trigger method. DUS, Doppler ultrasound; ECG, electrocardiogram; EDV, end diastolic volume; ESV, end systolic volume; LV, left ventricular; POX, pulse oximetry; Vmean, mean velocity; Vpeak, peak velocity.
