临床见到Q-T间期延长伴频发室性心动过速时,病情多属危重,急需用有效药物迅速控制室性心动过速。如用药不当反可引起不良后果。现报告一例,并对常用抗心律失常药物略加讨论。患者,女性,64岁,一周来咳嗽、咯痰、心悸、气短,四天前晕厥二次,于1980年1月9日入院。否 See the clinical Q-T prolongation with frequent ventricular tachycardia, the condition is mostly critically ill, urgent need for effective drugs to rapidly control ventricular tachycardia. Improper medication can cause undesirable consequences. Now report a case, and a brief discussion of commonly used anti-arrhythmic drugs. Patient, female, 64 years old, coughing a week, expectoration, palpitations, shortness of breath, fainting twice four days ago, admitted to hospital on January 9, 1980. no