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 ...

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 ...

Multifocal atrial tachycardia — or MAT — is a rhythm that frequently occurs in the setting of severe lung disease. MAT is characterized by three different P-wave morphologies within one 10-second ...

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 ...

“Based on our study findings, physicians and patients need to be educated that atrial flutter can be readily cured through catheter ablation, and the procedure may reduce the risk for atrial ...

A 64-year-old man with a history of typical atrial flutter underwent a standard ablation procedure during atrial flutter to create bidirectional block across the cavotricuspid isthmus. When ...

There are very few things in life that will keep Chargers head coach Jim Harbaugh off the football field. His heart no longer working properly is one of those reasons — literally. Harbaugh was the ...

Atrial flutter is a heart disorder in which the heart beats out of its normal rhythm. The condition is similar to atrial fibrillation (afib) — the most common type of arrhythmia (abnormal heartbeat) — ...