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, hepatorenal syndrome, hypovolemia, cardiac failure What are some causes of pre-renal azotemia that leads to renal failure?
renal aretery occlusion, large or medium vessel vasculitis What are some issues with the renal artery that leads to renal failure?
anti-GBM disease, lupus, endocarditis, glomerulonephritis, What are some causes of glomerular disease which lead to renal failure?
cryoglobulinemia, IgA nephropathy/Henoch-Schonlein
purpura
ischemia, nephrotoxins, radiocontrast agents, rhabdo What are some causes of acute tubular necrosis that leads to renal failure?
drugs, infection, systemic disease What are some causes of acute interstitial nephritis which leads to renal failure?
cast nephropathy, drugs, crystalluria What are some causes of intratubular obstruction that leads to renal failure?
bladder outlet obstruction, tumors, renal calculi, papillary What are some causes of post renal obstruction that can lead to renal failure?
necrosis, retroperitoneal fibrosis
phospaturia, pyuria What is indicated by cloudy colored urine?
bile pigments What is indicated by orange colored urine?
hematuria, hemoglobinuria, myoglobinuria What is indicated by red colored urine?
concentrated urine What is indicated by yellow colored urine?
pseudomonal UTI, biliverdin What is indicated by blue or green colored urine?
bile pigments, myoglobin What is indicated by brown colored urine?
1.003-1.030 What is the normal specific gravity of urine?
hydrated What is indicated by a urine SG of < 1.010?
dehydrated What is indicated by a urine SG of > 1.020?