Medicine
Echocardiographic Assessment of Diastolic Dysfunction Grading
Quick fact
Nearly half of all heart failure patients have preserved ejection fraction (HFpEF), and diastolic dysfunction is the underlying cause. It is often missed because the heart's pumping ability looks normal.
Why this is interesting
Your heart is a pump—but it must also behave like a sponge. What happens when the sponge becomes too stiff to soak up blood?