What is the situation with sediment in urine?

about urine has sediment that is what situation? Urine has sediment, the possible reasons are: a, urinary tract infection, infection after urine mixed with white blood cells and bacterial metabolites, coupled with the shedding of mucosal epithelium will show sediment. Can accompany urine color cloudy white or accompanied by flocculent or feather-like precipitation, more accompanied by frequent urination, urgency, urination pain, or waist and abdominal pain, fever history needs to be urine routine examination, urine culture examination to /confirm/i. 2. Crystallized urine, when a certain component in the urine is too high and precipitated, such as uric acid, oxalate and other crystals, will form a precipitate. After standing urine can occur stratification, the upper layer is clear urine, the lower layer is crystalline.