Fig 26.

59 year old teacher with long history of mild palpitations not requiring therapy. He was referred from the Clinic for consideration of permanent pacing re “RBBB with Möbitz II block” detected on routine ECG. Leads 1-2-3 from the Clinic are shown below. What do they reveal and what do they conceal?

59 year old teacher with long history of mild palpitations not requiring therapy. He was referred from the Clinic for consideration of permanent pacing re “RBBB with Möbitz II block” detected on routine ECG. Leads 1-2-3 from the Clinic are shown below. What do they reveal and what do they conceal?