History of prior heart failure (HF) was found to influence prognostic implications of atrial fibrillation (AFib) in patients hospitalized for HF, with permutations of prior HF, prior AFib and AFib as presenting rhythm differentiating outcome, according to a study published Feb. 5 in JACC: Heart Failure. Janice Yu-Hsin Chyou, MD, FACC, et al., included 13,401 patients (median age 67 years, 61% men, 58% prior HF) from REPORT-HF, a global registry spanning 44 countries across six continents. The authors