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The clinical significance of atrial fibrillation (AF) in heart failure with normal ejection fraction (HFNEF) remains undetermined.We compared the clinical and echocardiographic characteristics among 238 patients hospitalized for HF. Using the cutoff of left ventricular EF of 50%, there were 146 patients with HFNEF (AF = 42) and 92 with systolic HF (AF = 30). When compared among HFNEF, the New York...
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