Narrow Complex Tachycardias (Simplified)
Irregular Narrow Complex Tachycardia:
1. Atrial fibrillation
- Usually the correct answer
2. Multifocal Atrial Tachycardia (MAT)
≥ 3 different P wave morphologies
3. A regular rhythm with variable conduction
Regular Narrow Complex Tachycardia:
1. Sinus tachycardia
2. Atrial flutter
3. (Ectopic) Atrial tachycardia
- Ectopic P
4. "PSVT" (atrioventricular)
- No obvious P (or retrograde)
- AVNRT, AVRT, Junctional tachycardia
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