Medium urgency
-Very severe
Producing a really small quantity of urine per day, less than 500 mL (about 2 cups).
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Oliguria
Associated diseases
Severe bleeding
High-altitude pulmonary edema - HAPO
Hemolytic-uremic syndrome - HUS (Pediatrics - PEDS)
Hypovolemic hypernatremia due to extrarenal losses
Trauma to the urethra
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