ATRIAL FLUTTER:

 

 

Rhythm originating in the atrium at a rate of 250-350 bpm.

(These rates reflect the rate of atrial beats and not necessarily the rate of the ventricular beats (e.g., There may be atrial fibrillation with a rapid ventricular response indicating the atrial rate is > 350 bpm, and the ventricular rate is > 100 bpm)).

 

Atrial Flutter and ventricular response:

Ventricular response <60 BPM           A-flutter with slow ventricular response.

Ventricular response 60-100 BPM     A-flutter with controlled ventricular response.

Ventricular response >100 BPM         A-flutter with rapid ventricular response.

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