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  Indian J Med Microbiol
 

Figure 1: Panel of images demonstrating calculation of echocardiographic ventricular arterial coupling in pediatric dilated cardiomyopathy. In this example, end systolic volume and stroke volume are calculated by Simpson's method. The same can also be calculated by 5/6 area length method and left ventricular outflow tract velocity time integral. Normal values for ventricular and arterial elastance and ventricular arterial coupling are given in text.

Figure 1: Panel of images demonstrating calculation of echocardiographic ventricular arterial coupling in pediatric dilated cardiomyopathy. In this example, end systolic volume and stroke volume are calculated by Simpson's method. The same can also be calculated by 5/6 area length method and left ventricular outflow tract velocity time integral. Normal values for ventricular and arterial elastance and ventricular arterial coupling are given in text.