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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