[Polymyositis and complete A-V block].
D002304:Cardiac Pacing, Artificial; D006327:Heart Block / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D009220:Myositis / Q000150:complications*
Polimiositis y bloqueo A-V completo.