n::::心脏治疗药.Cardiac therapy
心兴奋剂.Cardiac stimulants
磷酸二酯酶抑制剂类.Phosphodiesterase inhibitors
肾上腺素和多巴胺药.Adrenergic and dopaminergic agents
抗心律失常药.Antiarrhythmics
IA类抗心律失常药.Antiarrhythmics, class IAS