Diastolic dysfunction predicts reduced exercise capacity

"Exercise may be good for the heart, but good diastolic function also appears to protect the capacity for exercise, researchers found. Any level of resting diastolic dysfunction, whether moderate-to-severe or mild, substantially lowered exercise capacity (both P<0.001), Patricia A. Pellikka, M.D., of the Mayo Clinic here, and colleagues reported in the January 21 issue of the Journal of the American Medical Association"