Cardiophile MD

 Anomalous extra nodal connections between atrium and ventricle along the AV groove are called accessory pathways. They can cause atrioventricular reentrant tachycardia (AVRT) Initial localisation of the accessory pathway is based on the delta wave and QRS morphology on surface ECG. Right sided and posteroseptal pathways are ablated using catheter positioned along the tricuspid annulus [...]

Electrophysiology (EP) catheters are shown in righ anterior oblique view. The surface ECG electrodes are marked with yellow arrows. The decapolar catheter is situated in the coronary sinus and has been introduced from above using a jugular vein puncture. The quaripolar catheter placed anteriorly and pointed downwards is in the right ventricle. Another quadripolar catheter is placed [...]