The atrial rate during atrial flutter is between 250 and 350 bpm. At this rate, the AV node is usually refractory long enough to block at least every other beat from conducting to the ventricles.

The second, atrial flutter with varying AV block, is characterized by typical flutter waves with multiple different R-R intervals. Sophisticated analysis of this arrhythmia suggests multiple ...

This blocks the release of the stress hormones ... such as recurrent arrhythmias like atrial fibrillation, atrial flutter, ...

typical atrial flutter, evaluation of syncope, AV block, sinus node dysfunction, and cardiac arrest. Additionally, trainees gain exposure to all facets of device implantation including pacemakers, ...