A case of trifascicular Block by Dr. Tính Nguyễn Chí

This ECG case was posted in the FB ECG Rhythms page on10.31.15. 

The ECG shows sinus rhythm with 1^st degree AV Block and RBBB and LAFB. So, this is trifascicular block. ECG Holter monitoring showed intermittent 3^rd AV block. A permanent pacemaker was implanted.