A 49-year-old presents with acute polymorphic VT with twisting QRS around the baseline and prolonged QT after ondansetron. Hemodynamically stable. Fir...

Question

A 49-year-old presents with acute polymorphic VT with twisting QRS around the baseline and prolonged QT after ondansetron. Hemodynamically stable. First-line pharmacologic therapy?

Accepted Answer

Magnesium sulfate 2 g IV over 10-15 minutes

Answer

Amiodarone bolus

Answer

Synchronized cardioversion

Answer

Lidocaine bolus

Answer

Propranolol IV

ukmla MCQ (SBA): Cardiology

A 49-year-old presents with acute polymorphic VT with twisting QRS around the baseline and prolonged QT after ondansetron. Hemodynamically stable. First-line pharmacologic therapy?