Multifocal atrial tachycardia — or MAT — is a rhythm ... by three different P-wave morphologies within one 10-second 12-lead ECG at a heart rate > 100 beats per minute. This indicates multiple ...

Only a few algorithms for predicting the site of origin of focal atrial tachycardia (AT) have been reported. We aimed to develop a new and more effective algorithm. Methods: Surface 12-lead ...

Twelve-lead electrocardiography usually confirms the presence of a sinus tachycardia and might identify a cardiac underlying cause. Electrocardiography can show atrial flutter, atrial tachycardia ...

One of the Brugada morphology criteria to diagnose ventricular tachycardia when the QRS pattern is similar to a left bundle branch block is a wide R wave in lead V1 or V2 measuring > 40 ms (one ...

Two patients suffered from paroxysmal atrial ... of tachycardia was 133 ± 9 beats per minute. Two patients suffered from recurrence of AT and received a second procedure at months 5 and 12 ...