Repeated USMLE Questions Step 1 (89)




A 12-year-old boy was brought to the emergency room after he sustained a crush injury in a car accident. His condition stabilized after 6 hours but he becomes oliguric and his urine is brown in color. Diagnosis of rhabdomyolysis is suspected.

Which one of these conditions is most likely found in this patient?

A-Hypercalcemia

B-Hypocalcemia

C-Hypokalemia

D-Hyponatremia

E-Hypophosphatemia

Answer:




Rhabdomyolysis is mainly associated with hyperphosphatemia which leads to reflex hypocalcemia. Hyperkalemia, not hypokalemia due to release of potassium ions may occur.

The correct answer is B




By | 2017-02-27T05:01:15+00:00 February 27th, 2017|USMLE Step 1|0 Comments

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