Atrial Fibrillation

What would happen if there were multiple intra-atrial pathways?

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There would be an irregular rhythm and the atrial pattern would be erratic and wave like called Atrial Fibrillation.

Rhythm

Irregular

Rate

Atrial rate greater than 400 - 600
Ventricular rate variable

P wave

Not discernable – wave like - erratic

PR interval

Not measurable

QRS complex

Usually within normal limits of 0.6 - .10 seconds

T wave

normal configuration

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