Does anybody know anything about a second degree av block.?

"Wiring of the heart: Two types of second degree AV Block : Type I is mostly benign, called Wenckeback for the person who described it, seldom requiring any treatment except stopping some meds that can worsen it. Type 2, however, may be slightly more dangerous and in occasions worsen to Complete AV block. If patient is symptomatic (dizziness or black out spells) Type 2 MAY require a pacemaker. Discuss it with your MD