At times it is difficult to distinguish atrial fibrillation from atrial flutter on the ECG. This example shows coarse "fibrillatory waves" in the setting of atrial fibrillation. This are of varying ...

Not all atrial flutters demonstrate the typical "sawtooth" pattern. During the times of lesser conduction on this ECG, the flutter waves are more apparent. The atrial rate is organized at a rate of ...

older male patient recovering from coronavirus. Sinus tachycardia is the most commonly reported dysrhythmia in patients with COVID-19 disease. This is the third installment of our 8-part series on ...

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 ...

Atrial fibrillation is a well-known risk factor for stroke that often remains undetected; yet, the benefit of screening of asymptomatic individuals remains unclear. A recent randomized trial ...