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Unformatted text preview: suggests CRF. Urinary tract obstruction? • Suspect in patients with single functioning kidney, history of stones, BPH or previous pelvic surgery. • Examine for palpable bladder, pelvic mass or enlarged prostate. • Urgent Renal US to check for obstruction Causes o Pre-renal – Renal hypoperfusion due to hypovolaemia, sepsis, congestive cardiac failure, cirrhosis, renal artery stenosis, rhabdomyolysis (myoglobin released post crushing injury block the renal tubules leading to acute tubular necrosis!) or drugs such as NSAIDS/ACEI o Intrinsic - Acute tubular necrosis (damage to tubular cells caused by ischaemia), nephrotoxins, drugs (aminoglycosides, s), radiological contrast agents, uric acid crystals or myeloma. Vasculitis, glomerulonephritis, cholesterol emboli. o Post-renal – Urinary tract obstruction due to BPH, bilateral stones, clots, tumour (in tract or extra-mural – abdominal/pelvic malignancy), retroperitoneal fibrosis...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10