title: [Right bundle-branch block depending on the cardiac frequency].
abstract: Two cases with paroxysmal tachycardia are described. A transitory right bundle branch block was induced, lasting from twenty to forty minutes, with the medicament controlling of the paroxysms. The transitory bundle branch block is explained by an existing lesion of one of the His bundle branches. A brief literature survey is presented and the experience in paroxysms treatment is shared.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology
vernacular_title: Desen bedren blok, zavisesht ot surdechnata chestota.