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Renal System O1
Clinical acute renal failure- DS and Classroom app- Thomas- 1/31/2013
Question | Answer |
---|---|
3 criteria for Acute Kidney Injury | 1) Rise in serum Cr of at least .3 mg/dL over 48 hours, 2) Serum Cr greater than 1.5 times the baseline value within the last 7 days 3) Urine volume less than .5 mL/kg per hour for 6 hours |
Acute tubular necrosis can occur from | Prolonged or severe ischemia |
Histological changes in Acute tubular necrosis | Necrosis of epithelium and occlusion of the tubular lumen by casts and cell debris |
Normal urine production in an adult | 1.5-2 L/day |
Urine flow depends on three factors | Pressure gradient from glomerulus to bowmans capsule, Peristalsis, Gravity |
Acute obstruction of the urinary collecting system manifests as what symptom | Pain |
Pathological processes that slowly obstruct differ from acute obstructions in that the DO NOT present with | Pain |