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Atrial flutter with variable conduction

Atrial Flutter With Variable Conduction

Sun, 06/21/2015 - 11:31 -- Dawn

This is a good example of atrial flutter with variable conduction in a 53-year-old man.  He had been treated for a fast rate, and now has a rate of approximately 90 per minute.  No other clinical information is available.  One of the good teaching points in this ECG is that some leads show P waves (or, in this case, flutter waves) better than others.  The diagnosis of atrial flutter can be missed by practitioners utilizing only one or two leads.

ECG Basics: Atrial Flutter With Variable Conduction

Thu, 10/10/2013 - 21:02 -- Dawn

This is a good teaching strip for showing your students how to "see" the atrial activity separately from the ventricular activity.  The P waves, also called flutter waves, march out regularly at a rate of around 300/minute, which is typical of atrial flutter.  The conduction ratio is variable, and the intervals between the conducted P waves and the QRS complexes vary, as well, reflecting changing refractoriness of the AV node.

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