Is heart failure with midrange ejection fraction similar to preserved ejection fraction? For.

Basing heart failure (HF) classification on the echocardiographic values of left ventricular ejection fraction (LVEF) has been useful in defining two sub-types of HF: HF with reduced LVEF and HF with preserved LVEF. A new category has recently been defined: HF with midrange LVEF (40-49%). When current information is taken into account, this new category is more similar to HF with preserved LVEF than reduced LVEF.