It is a common perception that approximately 50% of heart failure (HF) patients present with a normal or near-normal left ventricular (LV) ejection fraction ("HF with preserved systolic function"), ...

Cardiomyopathy is the leading cause of mortality in patients with DMD. Compared with their healthy counterparts, patients with DMD — including those with preserved left ventricular ejection fraction ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...