Narrow-complex tachyarrhythmias are rapid heart rhythms originating in the upper heart chambers, characterized by a QRS duration of less than 120 milliseconds on an EKG. These arrhythmias can be ...

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Researchers have developed extended phase mapping, a corrected cardiac mapping technique that explicitly accounts for phase ...

The use of smartwatches to detect cardiac issues, like atrial fibrillation (AFib), presents exciting new possibilities for heart care, but a new study shows that the results they provide may not ...

The three irregularly irregular rhythms are atrial fibrillation, atrial flutter with variable conduction and multifocal atrial tachycardia (similar to wandering atrial pacemaker). Atrioventricular (AV ...

Transient idiopathic arrhythmias are temporary heart rhythm disturbances without a clear cause, which can be harmless or require treatment if symptoms are frequent. Diagnosis can be challenging, as ...

ECG monitoring should document symptoms such as syncope and palpitations, but 24 hours is often too short a period, therefore other devices have been introduced. Patch ECG monitors allow recording 1-3 ...