title: Intra-Hisian blocks of several degrees induced by the ajmaline test.
mesh_terms: D000368:Aged; D000404:Ajmaline; D002036:Bundle of His / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D007263:Infusions, Parenteral; D008297:Male
chemical_list: D000404:Ajmaline