Heart failure (HF ... contractile and diastolic function to variable extents. Thus, while systolic HF is characterized by reduced left ventricular (LV) ejection fraction (LVEF), abnormal LV ...
[21] This was a smaller study that enrolled 74 patients 65 years and older with NYHA class II or III heart failure (defined by the Framingham criteria) and an ejection fraction ≥40%. Background ...