title: ECG Response: August 12, 2014.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000009:adverse effects*; D000368:Aged; D000959:Antihypertensive Agents / Q000009:adverse effects*; D004110:Diltiazem / Q000009:adverse effects*; D004562:Electrocardiography / Q000187:drug effects* / Q000379:methods; D006801:Humans; D008297:Male; D013617:Tachycardia, Supraventricular / Q000139:chemically induced / Q000175:diagnosis / Q000503:physiopathology
chemical_list: D000319:Adrenergic beta-Antagonists; D000959:Antihypertensive Agents; D004110:Diltiazem