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 ...

The ventricular rate is regular at 60 beats per minute (bpm) with narrow QRS complexes. There are typical atrial flutter waves at slightly greater than 300 bpm producing a “sawtooth” baseline pattern ...

The electrophysiologic mechanism may be due to either enhanced automaticity or triggered activity. In contrast to the paroxysmal variety, the nonparoxysmal type develops gradually and disappears ...

Biosense Webster, Inc., a global leader in cardiac arrhythmia treatment and part of Johnson & Johnson MedTech, announces the launch of CARTO™ 3 System Version 8, the latest version of the company's ...