Orthodromic atrioventricular (AV) tachycardia
Antidromic AV reciprocating tachycardia
Juctional reciprocating tachycardia
AV node reentrant tachycardia (bystander accessory pathway)
Preexited reciprocating tachycardia
Atrial fibrillation PSAP (Posteroseptal Accessory Pathways)