Lke more than five million other Americans,
Jimmy McMillan has heart failure. But unlike the more widely known type of heart failure in which the heart has reduced pumping ability, McMillan's symptoms result from his heart's inability to fill with blood at normal pressures. It's called as heart failure with preserved ejection fraction, or HFpEF. It causes shortness of breath, tiredness and swelling. It used to be called diastolic heart failure.
More at MUSC News