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Question Number 5
An 18 year old is admitted with a history of syncopal episode at the mall and has a history of an eating disorder. The nurse notes a prolonged QT on the 12-lead EKG and anticipates a reduction in an electrolyte to be the cause. Which of the following is LEAST likely to cause this patient's problems?
(A) sodium
(B) magnesium
(C) potassium
(D) calcium
✔ Correct Answer:
(A) sodium
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