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A 45-year-old woman with Crohn’s disease and a small intestinal fistula...

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asked May 27, 2014 in General Surgery by Rajesh Bahara

A 45-year-old woman with Crohn’s disease and a small intesti- nal fistula develops tetany during the 2nd wk of parenteral nutrition. The laboratory findings include Ca 8.2 meq/L; Na 135 meq/L; K 3.2 meq/L; C1 103 meq/L; PO4 2.4 meq/L; albumin 2.4; pH 7.48; 38 kPa; P 84 kPa; bicarbonate 25 meq/L. The most likely cause of the patient’s tetany is

  1. Hyperventilation

  2. Hypocalcemia

  3. Hypomagnesemia

  4. Essential fatty acid deficiency

  5. Focal seizure 

 

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Best answer
Hypomagnesemia
answered May 27, 2014 by Rajesh Bahara

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