Image:wide_qrs_tachy_AAM1.jpg|Wide complex tachycardia. No AV dissociation. RBBB. Resembles sinus rhythm from the same patient.
Conclusio SVT with [[RBBB]]
Image:wide_qrs_tachy_AAM2.jpg|ECG from the same patient in sinus rhythm. The QRS complex is very similiar.
Image:wide_qrs_tachy_AAM3.png|Wide complex tachycardia. LBBB configuration. Absence of RS in the chest leads. [[AV dissociation]] is present. Conclusion: [[VT]]