作为钙拮抗药而被使用的有异搏停(diltium)、硝苯吡啶(mcardipine)。这些钙拮抗药通过心肌收缩抑制作用,血管扩张和房室传导阻滞作用,并根据对脏器亲合性被临床应用于抗心绞痛、抗心律不齐及高血压病的治疗等。硝苯吡啶可经口投给,舌下含服也可同时静脉给药,经口或舌下服药吸收率90%以 As calcium antagonists, diltium and mcardipine are used. These calcium antagonists act through myocardial contractile inhibition, vasodilation and atrioventricular block, and are clinically applied to the treatment of antianginalgia, arrhythmia and hypertension according to their affinity to the organ. Nifedipine can be administered orally, sublingual administration can also be intravenous administration, oral or sublingual drug absorption rate of 90%