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凡具有创伤、失血失液、严重感染、休克等病史,在休克及血容量恢复后仍然少尿,经过大剂量利尿剂试验治疗尿量仍不增加者,临床即可诊断急性肾衰。诊断中必须与肾前性少尿及肾后性少尿鉴别。详细了解体液平衡状态,严密观察每小时尿量及尿量的动态变化。尿量有成倍的波动常为肾前性或肾后性。完全无尿则多见于肾后性或肾皮质坏死。下述化验检查、输液利尿试验及必要的特殊检查对鉴别诊断有一定帮助。一、化验检查:急性肾源性肾衰主要病
Where there is trauma, loss of blood fluid, severe infection, shock and other medical history, after the shock and blood volume recovery oliguria still, after high-dose diuretic test treatment of urine output is still not increased, the clinical diagnosis of acute renal failure. Diagnosis must be associated with prerenal oliguria and renal differential diagnosis of oliguria. Learn more about the state of fluid balance, closely observe the hourly urine and urine output changes. Excretion of urine exponentially fluctuating often as prerenal or postrenal. Complete anorexia is more common in renal or renal cortical necrosis. The following laboratory tests, infusion of diuretic tests and the necessary special examination of differential diagnosis have some help. First, laboratory tests: the main disease of acute renal failure