Re-ablation of left sided accessory pathways – Cardiology MCQ

Re-ablation of left sided accessory pathways is deferred for 2 months because:
a) Friable tissue at previous ablation increases the risk of perforation
b) Some of the pathways which have been damaged by the initial ablation may lose conduction over the ensuing few weeks
c) Presence of edema in response to tissue damage may distort the local electrogram and prevent the efficient delivery of radiofrequency energy to the desired location
d) All of the above
Correct Answer