Unusual patterns of conduction produced by pacemaker stimuli.
D000219:Adams-Stokes Syndrome / Q000503:physiopathology; D000368:Aged; D002037:Bundle-Branch Block / Q000209:etiology*; D006328:Cardiac Catheterization; D004562:Electrocardiography; D005260:Female; D006327:Heart Block; D006329:Heart Conduction System / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013575:Syncope