A 40-year-old woman with episodic palpitations and syncope; ECG shows prolonged QTc 520 ms. First-line acute therapy for torsades de pointes if it occ...

Question

A 40-year-old woman with episodic palpitations and syncope; ECG shows prolonged QTc 520 ms. First-line acute therapy for torsades de pointes if it occurs?

Accepted Answer

Magnesium sulfate IV

Answer

Lidocaine IV

Answer

Amiodarone IV

Answer

Procainamide IV

Answer

Adenosine IV

us-abem MCQ (SBA): Torsades de Pointes

A 40-year-old woman with episodic palpitations and syncope; ECG shows prolonged QTc 520 ms. First-line acute therapy for torsades de pointes if it occurs?