Skip to main content

All Access Subscription

Get unlimited access to our full publication and article library.

Get Access Now

Interested in Group Sales? Learn more

The ECG in the Figure was obtained from a 61-year-old woman who was being treated with flecainide for “arrhythmia.” Her tracing was interpreted as showing sinus tachycardia with 1° AV block, with the conduction disturbance being seen best in lead V<SUB>1</SUB>. How would you interpret this ECG?

ECG Review: Tachycardia with 1° AV Block