(A) Trends in acute HF event rates with HF as a primary diagnosis. (B) Trends in acute HF event rates with HF as a comorbid diagnosis. HF = heart failure. Modified from Jackson SL, Tong X, King RJ, Loustalot F, Hong Y, Ritchey MD. National burden of heart failure events in the United States, 2006 to 2014. Circ Heart Fail 2018;11:e004873.