| 4.) What differential diagnosis do you consider in this patient?
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Differential diagnosis:
- Prerenal - impaired renal perfusion
Hypovolemia, hemorrhage, dehydration, cardiac failure, inadequate fluid
replacement for operative and third space losses, abdominal compartment syndrome
- Postrenal - obstruction of the urinary excretory pathway or injury to bladder
Catheter blocked, ligation of ureter, damage to urethra, bladder injury,
urinary retention if no catheter
- Renal - acute injury to nephrons, glomeruli, or tubules
Drugs (aminoglycosides, amphotericin, NSAID's), toxins (contrast), prolonged hypotension, myoglobin injuries, ischemic injury to kidney
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