Background The aim of the study was to estimate the sex-specific prevalence and incidence of atrial fibrillation or flutter ...

This ECG has typical atrial flutter waves in a "sawtooth" pattern rotating in a clockwise direction. For a complete review of atrial flutter including determining rotation direction, typical versus ...

Atrial fibrillation Atrial flutter with variable conduction Multifocal atrial tachycardia (MAT). With atrial fibrillation, no descrete P waves can be seen, however sometimes coarse "fibrillitory waves ...

Narrow QRS complexes occur regularly. This tracing suggests either atrial flutter or ventricular tachycardia. It is not atrial flutter, however. If it were, the QRS complexes occurring regularly would ...