
Keywords: HFpEF، نارسایی قلبی با کسر خروج حفظ شده; decompensated chronic heart failure; diuretic therapy; HFpEF; HFrEF; total blood volume quantitation; volume overloadDCHF, decompensated chronic heart failure; ED, emergency department; HFpEF, heart failure with preserved ejection fraction; HFREF, heart f