title: ECG response: February 24, 2015.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D004110:Diltiazem / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D004359:Drug Therapy, Combination; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D008875:Middle Aged; D012849:Sinoatrial Node / Q000503:physiopathology
chemical_list: D000319:Adrenergic beta-Antagonists; D004110:Diltiazem