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Fig. 1 | Cardiovascular Ultrasound

Fig. 1

From: Area of the pressure-strain loop during ejection as non-invasive index of left ventricular performance: a population study

Fig. 1

Non-Invasive Assessment of the LV Ejection Work Density. Using echocardiography and simultaneous applanation tonometry, we derived brachial artery pressure wave (panel a) and two-dimensional LV strain curves (panel b) to construct the pressure-strain loop (panel c). The myocardial work index was calculated as the area of the pressure-strain loop during LV ejection (filled area in panel c). LV indicates left ventricular

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Cardiovascular Ultrasound

ISSN: 1476-7120

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