A 21 years old man presented with regular palpitations anddocumented both narrow and wide QRS complex tachycardia (NCTand WCT, respectively). At electrophysiological study, the retrogradeconduction was decremental and ...

A28‐year‐old woman underwent an electrophysiology study (EPS)because of episodes of palpitations with documented narrow (NCT)and wide QRS complex tachycardia (WCT) on a 24‐hHolterECG.During the EPS, the patient was in sinus ...

A22‐year‐old man with recurrent episodes of tachycardia inthe absence of structural heart disease underwent an electro-physiological evaluation. A narrow complex tachycardia (NCT)was induced by programmed by ventricular ...

A38‐year‐old woman presented with recurrent episodes oftachycardia in the absence of structural heart disease anddocumented with narrow QRS complex tachycardia (NCT) on a24‐h Holter ECG. During the electrophysiological ...