title: Tales of two heart failures. Both "stiff" and "weak" types demand attention, but stiff hearts are trickier to treat.
mesh_terms: D003971:Diastole / Q000502:physiology*; D006333:Heart Failure / Q000145:classification / Q000503:physiopathology* / Q000517:prevention & control*; D006801:Humans; D012648:Self Care; D013318:Stroke Volume / Q000502:physiology; D013599:Systole / Q000502:physiology*