The effect of ergotamine tartrate on the abnormal electrocardiogram in patients previously prepared with tetraethylammonium chloride.
D000641:Ammonia; D064751:Ammonium Compounds; D002318:Cardiovascular Diseases; D004562:Electrocardiography; D004876:Ergot Alkaloids / Q000627:therapeutic use*; D004878:Ergotamine; D006801:Humans; D000644:Quaternary Ammonium Compounds; D019789:Tetraethylammonium
D064751:Ammonium Compounds; D004876:Ergot Alkaloids; D000644:Quaternary Ammonium Compounds; D019789:Tetraethylammonium; D000641:Ammonia; D004878:Ergotamine
AMMONIA AND AMMONIUM COMPOUNDS; ELECTROCARDIOGRAPHY; ERGOT AND PREPARATIONS