Acute renal failure often does not cause symptoms that you notice.急性肾功能衰竭往往不会引起症状，你恕不另行通知。 If you are already in the hospital, tests done for other problems may also detect your kidney failure.如果您已经在医院里，做试验的其他问题也可能会侦测到您的肾功能衰竭。 When symptoms do appear, they may include:当出现这样的症状，他们可能包括： - Swelling, especially of the legs and feet.膨胀，特别是腿部和脚部。
- Little or no urine output.很少或根本没有尿量。
- Thirst and a dry mouth.口渴和口干。
- Rapid heart rate.快速心率。
- Feeling dizzy when you stand up.感到头晕当你站起来。
- Loss of appetite, nausea, and vomiting.食欲不振，恶心和呕吐。
- Feeling confused, anxious and restless, or sleepy.情感困惑，焦虑和不安，或昏昏欲睡。
- Pain on one side of the back, just below the rib cage and above the waist (flank pain).疼痛一方的背部，略低于肋骨和腰部以上（腰痛） 。
The symptoms can help determine what type of kidney failure is present.这些症状可以帮助确定哪些类型的肾功能衰竭是本。 - Severe dehydration, a common cause of prerenal acute renal failure, may cause extreme thirst, lightheadedness or faintness, and a weak, rapid pulse.严重脱水，一个共同的事业肾急性肾功能衰竭，可能会导致极端的口渴，头昏或虚弱，并弱，快速脉冲。
- A blockage in the urinary tract, which causes postrenal acute renal failure, may cause pain in the side or lower back, blood in the urine (hematuria), or reduced urine output (oliguria).堵塞在尿路，造成postrenal急性肾功能衰竭，可能会导致疼痛的副作用或降低后，血液中的尿（血尿） ，或减少尿量（少尿） 。
Uremic syndrome (uremia) is a serious complication of severe or prolonged acute renal failure.尿毒综合症（尿毒症）是一种严重的并发症，严重或长期的急性肾功能衰竭。 It can cause severe nausea, confusion, seizures, irregular heart rhythm, and fluid in the lungs (pulmonary edema).它可以引起严重的恶心，混乱，癫痫发作，不规则的心脏节律，和液体在肺部（肺水肿） 。 VitaDocs Medical Reference from Healthwise VitaDocs医疗参考康慧  Last Updated: June 17, 2005最后更新： 2005年6月一十七日 This information is not intended to replace the advice of a doctor.此信息是无意取代咨询医生。 Healthwise disclaims any liability for the decisions you make based on this information.康慧不承担任何责任，决定你在此基础上的信息。 @ 1995-2007, Healthwise, Incorporated. @ 1995-2007年，康慧公司。 Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.康慧，康慧为每个健康的决定，康慧标识的商标康慧公司。
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Symptoms 症状 
