.Multifocal Atrial Tachycardia  

What would happen if there were multiple ectopic atrial beats causing a rate > 100?

.

There would be a rapid irregular rate with at least 2 different P waves called Multifocal Atrial Tachycardia.

Rhythm

Atrial and Ventricular are irregular

Rate

Greater than 100

P wave

At least 2 ectopic atrial foci.

PR interval

Varies

QRS complex

within normal limits of 0.6 - .10 seconds

T wave

normal configuration

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