title: [Changes in the amplitude of Rvl-v4 waves in intermittent left bundle-branch block].
mesh_terms: D000328:Adult; D000368:Aged; D002036:Bundle of His / Q000503:physiopathology*; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged
vernacular_title: Zmiany amplitudy załamków Rvi-v4 w przerywanym bloku lewej odnogi peczka Hisa.