A 26-year-old man is brought to emergency after sustaining a gunshot wound to the abdomen. His blood pressure on arrival is 70/40. He receives 8 packs of red blood cells during surgery and is stabilized. Two days later in ICU, he develops oliguria. Which of the following is most likely to be seen in this patient?
Decreased serum phosphate
Decreased serum potassium
Fractional excretion of sodium >1%
Increased serum calcium
Ratio of BUN/Cr >20
