Impact of Ventricular Dyssynchrony on Postexercise Accommodation of Systolic Myocardial Motion in Hypertensive Patients With Heart Failure and a Normal Ejection Fraction: A Tissue-Doppler Echocardiography Study

Dyssynchrony-related regional myocardial contractile abnormality after exercise in HFNEF patients suggested the detrimental impact of electromechanical uncoupling on HF symptoms.