A Patient Who Is Taking Trimethoprim-Sulfamethoxazole for Prophylaxis of Urinary

A patient who is taking trimethoprim-sulfamethoxazole for prophylaxis of urinary tract infections tells the primary care NP that a sibling recently died from a sudden cardiac arrest,determined to be from long QT syndrome.The NP should:

A) schedule a treadmill stress test.
B) order genetic testing for this patient.
C) discontinue the trimethoprim-sulfamethoxazole.
D) refer the patient to a cardiologist for further evaluation.