Question

A 70-year-year-old man presents with dizziness and wide-complex tachycardia with twisting QRS around the baseline (torsades) and BP 128/76. QTc is 540 ms. In addition to magnesium, what other measure helps terminate recurrent torsades?

Accepted Answer

Correct hypokalemia to high‑normal range

Answer

What other measure helps terminate recurrent torsades?

Answer

Amiodarone infusion

Answer

Diltiazem infusion

Answer

Lidocaine infusion

Practice question

A 70-year-year-old man presents with dizziness and wide-complex tachycardia with twisting QRS around the baseline (torsades) and BP 128/76. QTc is 540 ms. In addition to magnesium, what other measure helps terminate recurrent torsades?