硝普钠(sodium nitroprusside)是一种速效、短效、作用强的直接血管扩张剂,近年来在临床上应用于高血压危象、心衰及心肌梗塞方面获得良好效果。硝普钠于1929年已开始用于临床,直至1974年美国市场上才出现商品药物。我院从1974年初开始在临床上使用,取得比较满意的疗效。但患者长期应用本品,尤其是在较大剂量或患者肾功能差等情况下使用,均易引起氰化物中毒。由于不敢大胆使用本品,往往失去抢救病人的机会。我们为了保证病人 Sodium nitroprusside (sodium nitroprusside) is a quick, short-acting and strong direct vasodilator. It has been used clinically in hypertensive crisis, heart failure and myocardial infarction. Sodium nitroprusside started its clinical use in 1929 and did not appear to be commercially available until the United States in 1974. Our hospital from the beginning of 1974 in clinical use, to obtain more satisfactory results. However, patients with long-term use of this product, especially in the case of larger doses or patients with poor kidney function, are likely to cause cyanide poisoning. Due to not daring to use this product, often lose the chance to rescue patients. We are to ensure the patient