Narrow QRS Tachycardia with Alternate Wide QRS Beats: What is the Mechanism?
A 44-year old lady underwent electrophysiology study for recurrent palpitations and documented narrow QRS regular tachycardia. The baseline ECG showed subtle preexcitation that was easily manifest on atrial pacing. The retrograde atrial activation sequence during ventricular pacing was eccentric sug...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2008-08-01
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| Series: | Indian Pacing and Electrophysiology Journal |
| Subjects: | |
| Online Access: | http://www.ipej.org/0803/bhargava.htm |