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Learn ECG daily for PGMEE
#6
Multifocal Atrial Tachycardia

  • Multifocal Atrial Tachycardia is just a faster version of Wandering Atrial Pacemaker. The criteria is the same as Wandering Atrial Pacemaker with the only difference being the heart rate exceeds 100 bpm.
  • These changes in the locus of stimulation within the atria affect the morphology of the P waves.
  • Remember, you must observe at least three different shaped P waves.
  • Due to the presence of irregular R to R intervals coupled with the changing P wave morphology, some people have confused this rhythm with Atrial Fibrillation.
[Image: CKepkRM.jpg]

[Image: UNjjYZe.png]
(Click image to enlarge)


Some common Causes of MAT?
  • lung disease including asthma, COPD.
  • congestive heart failure, 
  • myocardial infarction, 
  • hypokalemia
  • overdose on Theophylline.
 
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Messages In This Thread
Learn ECG daily for PGMEE - by acrosspg - 23-04-2018, 06:25 PM
The ECG Paper and Normal ECG - by acrosspg - 23-04-2018, 06:51 PM
Left and Right axis deviation - by acrosspg - 29-04-2018, 02:13 PM
Wandering Atrial Pacemaker (WAP) - by acrosspg - 10-05-2018, 03:30 PM
Multifocal Atrial Tachycardia - by acrosspg - 10-05-2018, 04:12 PM

 


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