The most common accessory pathways leading to WPW syndrome is:
Answer is A (Left free wall) Left free wall accessory pathways are most common. 'Left free wall accessary pathways are most common followed by posteroseptal, right free wall and anteroseptal locations ' -'Braunwald Hea Diseases: Review & Assessment' by Lilly (2012)/Q249 The most common accessary pathway connects the left atrium to the left ventricle followed by posterior septal, right free wall and anterior septal accessary pathways'
Left free wall
Posteroseptal
Right free wall
Anteroseptal