硝苯吡啶(Nifedipine)又名心痛定,属钙内流阻滞药,它是继β受体阻断药后迅速成为国际上公认的重要的心血管药物。由于它除能够扩张冠脉增加其血流量,对缺血性心肌起保护作用而广泛用于治疗心绞痛外,尚能扩张全身的中小动脉、舒张支气管,胃肠道、子宫和泌尿道等脏器的平滑肌,以及阻滞机体细胞在各种病理状态下的钙内流,因 Nifedipine (Nifedipine), also known as nifedipine, is a calcium influx blocker, which is rapidly becoming an internationally recognized important cardiovascular drug following the beta-blocker. Because it can expand the coronary artery to increase its blood flow, plays a protective role in ischemic myocardium and is widely used in the treatment of angina, but can expand the body’s small and medium arteries, diastolic bronchus, gastrointestinal tract, uterus and urinary tract and other organs Of smooth muscle, as well as block the body cells in a variety of pathological conditions of calcium influx due to