A peculiar ECG after an intracardiac intervention in a 41-year-old woman

A 41-year-old woman was referred to our clinic 9 days after an intracardiac intervention was performed elsewhere because of frequent episodes of a narrow QRS tachycardia. The ECG on admission is shown in Figure  1.

Source: Heart Rhythm - October 30, 2018 Category: Cardiology Authors: Hein J. Wellens Tags: Josephson and Wellens ECG Lessons: A Monthly Visit to the 12 Lead ECG Source Type: research