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 ...

MANY common arrhythmias observed in both atria and ventricles are similar although the atrial types have a few important distinguishing features. Thus, so far as therapy is concerned, the atrial ...

When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

Regular narrow QRS tachycardia at a rate of 143 bpm is present. A quick glance at the V1 seems to show one P wave in front of each QRS complex, suggestive of sinus or atrial tachycardia. However, ...

Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

Adults with atrial fibrillation who drank a cup a day of caffeinated coffee were less likely to have recurrent AF or atrial ...

Atrial fibrillation (AF) can be treated with catheter ablation. However, a report from the DISCERN AF study shows that, despite a reduction in the total number of AF events, the proportion of episodes ...