…the following reasons: Left ventricular geometry must be normal. There must not be regional differences in contractile function. Otherwise, the point of measurement may not…

Visual assessment of regional wall motion (left ventricle) TYPE OF MOTION DEFINITION WALL MOTION SCORE Normal Normal thickening (typically 30% thickening from end diastole to…

…and echocardiographic assessment The importance of systolic function can be understood on an intuitive basis. Consider the fact that the left ventricle contracts and ejects…

…to 69% Lower normal limit 55% Ejection fraction is routinely examined at rest, which does not reveal the functional (maximum) capacity of the left ventricle…

…with the use of the ejection fraction is that it only assesses systolic function . Research in recent years has demonstrated that left ventricular diastolic function…

…ejection fraction (HFpEF) is a complex clinical syndrome characterized by the cardinal symptoms and signs of heart failure (HF) in the presence of a left…

…assessing left ventricular function (systolic function). It should be noted, however, that three dimensional (3D) echocardiography offers greater precision in the calculation of ejection fraction…

…a clinical syndrome defined by the combination of symptoms and/or signs of heart failure and a left ventricular ejection fraction (LVEF) of 41–49%…

…Significant right to left shunt (e.g., Eisenmenger syndrome). Qp/Qs ≈ 1 : Normal, no significant shunt. Clinical Relevance of Shunt Fraction Diagnosis of Shunt Severity…

…For patients with LBBB and a left ventricular ejection fraction (LVEF) $< 35%$, the implantation of a defibrillator or a CRT D is indicated…