UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0708

Question:
A fireman is exposed to toxic fumes of hydrofluoric acid. He becomes rapidly confused and the paramedical team transfers the workman immediately to hospital. Here is is found to have a prolonged QT interval on a electrocardiogram. What is the next best treatment of choice?

a) 10% calcium gluconate administered IV
b) sodium bicarbonate 1 mEq/kg IV
c) oral sodium bicarbonate
d) hypertonic intravenous crystalloid fluid
e) hypotonic intravenous crystalloid fluid