Key result
Apical rotation and left ventricular twist measured by speckle tracking echocardiography provide a more accurate estimation of left ventricular systolic function than conventional ejection fraction.
Ventricular rotation and twist, measured noninvasively by speckle tracking echocardiography, offer a more accurate physiological index of left ventricular systolic and diastolic performance than conventional ejection fraction.
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Jae‐Kwan Song (2009) conducted a review in Left ventricular function. Speckle tracking echocardiography vs. Conventional ejection fraction was evaluated. Apical rotation and left ventricular twist measured by speckle tracking echocardiography provide a more accurate estimation of left ventricular systolic function than conventional ejection fraction.
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