CHF can suggest a possible prerenal cause secondary to reduced renal perfusion from a concomitant exacerbation in CHF or from diuresis with loop diuretics.

• 充血性心力衰竭(CHF)可能意味肾前疾病，继发于肾脏灌注减少，此症又源于CHF的伴随恶化或髓袢利尿药导致多尿。