Multifocal atrial tachycardia (MAT)/ Chaotic atrial tachycardia

This ECG is from a 75 yo with h/o COPD,HTN c/o SOB. 





Multifocal atrial tachycardia (MAT)/ Chaotic atrial tachycardia

ECG recognition


  • Irregular rhythm
  • >3 different P wave morphology
  • PP, RR, RPI and PRI variable
  • QRS narrow or wide if there is a fixed or rate-related bundle bundle branch block

Echo showed mild LVH with EF in the 60's mod dilated LA/RA and normal RV.Breathing treatment was continued and managed as pneumonia. Patient improved and discharged after a few days.

#330

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