Ventricular tachycardia refers to a wide QRS complex heart rhythm — that is, a QRS duration beyond 120 milliseconds — originating in the ventricles at a rate of greater than 100 beats per minute.

Atrial tachycardia and other ectopic atrial rhythms occur when a site outside of the sinus node, but within the atria, creates action potentials faster than the sinus node. This ectopic focus ...

After years of stress tests and EKGs that yielded no results, Andrew Kohlenberg says he feels validated and relieved.

An irregular heartbeat is a condition that occurs when the heart's electrical impulses are either too fast, slow or ...

Ventricular tachycardia is an abnormally fast heart beat (with three or more consecutive heart beats at least 100 beats per minute) that originates from one of the ventricles in the heart.

The number of suspected GBS cases went up to 192 after eight more infections were recorded. The tally of confirmed cases ...

A 59-year-old female patient presented with “suspected ventricular tachycardia” on the basis ... 430 ms), and a heart rate of 86/min in sinus rhythm. A more detailed history of the event ...

The most common mechanism of inappropriate detection in these patients was double counting, which occurred during sinus rhythm, supraventricular tachycardia and nonsustained VT. Double counting ...