What are the performance of renal failure ?

Renal failure is a variety of diseases leading to kidney dysfunction in general. It renal dysfunction , metabolic products retention, water, electrolyte and acid-base balance as the main performance . In the early renal failure , the patient may be no obvious discomfort, just check can be seen in creatinine clearance decreased urine concentration is poor, and so reduce the excretion of phenol red . Obvious clinical symptoms appear only when the development of severe renal insufficiency stage . Mainly in the following areas:
( 1 ) Gastrointestinal manifestations: when is the development of renal failure and uremia earliest and most obvious symptom , seen anorexia, nausea, vomiting, diarrhea or constipation , may also be gastrointestinal bleeding.
( 2 ) mental , neurological manifestations: listlessness, fatigue, weakness, dizziness, headache , memory loss, insomnia, irritability , foot burning, itchy skin , can occur late to lethargy, delirium , convulsions, coma.
( 3 ) the performance of the cardiovascular system : renal failure, often accompanied by high blood pressure , and myocardial damage , heart failure and uremia pericarditis , pericardial effusion.
( 4 ) the performance of the hematopoietic system : patients with difficult to correct anemia and easy bleeding, such as subcutaneous bruising, nosebleed , bleeding gums, gastrointestinal bleeding, or intracranial hemorrhage.
( 5 ) Other: Due to renal failure caused by acidosis, the patient may appear deep breath , dry skin, dull, nocturia , polyuria caused dehydration, electrolyte imbalance, acid-base balance disorders , infection , and even oliguria , edema , no urine and other serious conditions .