Left ventricular (LV) twist or torsion represents the mean longitudinal gradient of the net
difference in clockwise and counterclockwise rotation of the LV apex and base, as viewed …

Cardiovascular magnetic resonance (CMR) tagging has been established as an essential
technique for measuring regional myocardial function. It allows quantification of local …

Background—Left ventricular (LV) torsion is due to oppositely directed apical and basal
rotation and has been proposed as a sensitive marker of LV function. In the present study …

Objectives: We sought to examine the accuracy/consistency of a novel ultrasound speckle
tracking imaging (STI) method for left ventricular torsion (LVtor) measurement in comparison …

Aims To examine myocardial deformation and rotation in patients with heart failure, and
elucidate the underlying mechanisms that account for normal ejection fraction (EF) in …

Background—The cascade of events by which early diastolic left ventricular (LV) filling
increases with exercise is not fully elucidated. Doppler tissue imaging (DTI) can detect …

The left ventricle twists in systole storing potential energy and untwists (recoils) in diastole
releasing the energy. Twist aids left ventricular ejection and untwist aids relaxation and …

Background—We tested the hypothesis that right ventricular (RV) pressure overload affects
RV function and further influences left ventricular (LV) geometry, which adversely affects LV …

Most noninvasive measures of diastolic function are made during left ventricular (LV) filling
and are therefore subject to “pseudonormalization,” because variation in left atrial (LA) …

Accurate quantification and timing of regional myocardial function allows early identification
of dysfunction, and therefore becomes increasingly important for clinical risk assessment …