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 ...

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 ...

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 ...

Cardiologists at University of Utah Health use this therapy for people with heart rhythm disorders (arrhythmias), including atrial flutter and atrial fibrillation (AFib). Your heart’s electrical ...

The rhythm in Figure 1 has a subtle pattern—a narrow QRS complex with alternating short and long R-R intervals, resulting in paired QRS complexes. Careful observation of V1 in Figure 2 reveals tiny ...

Please provide your email address to receive an email when new articles are posted on . New-onset atrial fibrillation and atrial flutter are as common in hospitalized patients with influenza as with ...

While the Chargers were warming up in Denver last Sunday, Jim Harbaugh felt his heart racing. He knew that feeling, having experienced it as a player in 1999 and as an NFL head coach 13 years later. A ...

Atrial tachycardia is an unusually fast heartbeat that originates in the atria, or upper chambers, of the heart. It is a type of supraventricular tachycardia (SVT). This means it begins above the ...