Contemporary heart failure (HF) classification based on left ventricular (LV) ejection fraction is limited for comprehensive assessment of LV function. We aimed to validate the feasibility of the contraction–relaxation coupling… Click to show full abstract
Contemporary heart failure (HF) classification based on left ventricular (LV) ejection fraction is limited for comprehensive assessment of LV function. We aimed to validate the feasibility of the contraction–relaxation coupling index (CRC) as a novel predictor for clinical outcomes in patients with acute HF.
               
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