Several new ECG criteria may be useful in differentiation of SVT types. Prediction of mechanism prior to EPS may provide additional benefits concerning the fluoroscopic exposure time and cardiac catheterization procedure.

A CDE endocarditis rate of 0.38% was demonstrated. It remains a rare but potentially lethal complication of device implantation.

Drug-induced AV block is a serious disease that requires a permanent PM for almost half of the patients.

No abstract

AV block associated with thyroid dysfunction needs great attention regardless of type of the thyroid disease. Patients with II and/or III degree AV block in the setting of thyroid dysfunction almost always need permanent pacemaker insertion even after normalization of thyroid status.