Adjusted analyses associated overestimation with nearly doubled 2-year mortality (aHR 1.98; 95% CI, 1.04-3.77). Differences in advanced-therapy receipt did not explain the mortality signal, suggesting ...
Ejection fraction (EF) measures how well the heart pumps blood. A normal ejection fraction is between 55% to 70%. A low ejection fraction can be a sign of heart failure. Ejection fraction (EF) ...
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 ...