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Flowchart of the Korean Acute Heart Failure (KorAHF) registry. Analysis was performed to evaluate the effect of inotropes in acute heart failure patients. Subgroup analysis was performed by initial SBP (low initial SBP (<90 mmHg) vs. normal initial SBP (≥90 mmHg)) LV systolic function (HFrEF (LVEF ≤ 40%) vs. HFpEF (LVEF ≥ 50%)).
