[Intermittent bundle branch blocking and unblocking occasioned by extrasystoles].
D005117:Cardiac Complexes, Premature; D006327:Heart Block; D006329:Heart Conduction System; D006801:Humans; D008499:Medical Records
HEART BLOCK/case reports
Bloqueio e desbloqueio de ramo intermitentes ocasionados por extrassístoles.