Question

A 35-year-old woman presents to the ED after syncope. Rhythm strip shows narrow-complex tachycardia at 190/min with sawtooth flutter waves and variable block. She is stable. Best initial rate control?

Accepted Answer

Diltiazem IV bolus

Answer

Adenosine IV bolus

Answer

Amiodarone IV bolus

Answer

Digoxin IV

Answer

Epinephrine IV

Practice question

A 35-year-old woman presents to the ED after syncope. Rhythm strip shows narrow-complex tachycardia at 190/min with sawtooth flutter waves and variable block. She is stable. Best initial rate control?