Most wide QRS complex tachycardias (WCTs) are ventricular or supraventricular in origin, but to differentiate between the two can present a diagnostic challenge. To develop and test an algorithm that ...

Tang et al. developed an algorithm to distinguish left and right atrial foci, and pioneered the prediction of focal ATs using surface P waves. [10] They reported that a positive P wave in lead V1 was ...

The retrospective study population included 61 patients (29 men) with a mean age of 42 ± 5 years. Echocardiography showed normal LA (33.4 ± 1.5 mm) and normal ejection fraction (63.1 ± 2.3%). Two ...