经多年临床实践,我们体会到,使用含碘造影剂造影过程中,常发生患者血压下降,虚脱,甚至过敏性休克等意外情况,如不及时处理,易造成严重后果。1　患者出现血压下降,心悸、面色苍白、四肢发凉无力、全身出冷汗等情况,多因病人精神紧张、神经官能症、空腹造影,腹部加压过大致下肢静 After many years of clinical practice, we realize that the use of iodine contrast agent imaging process, patients often occur blood pressure, collapse, and even anaphylactic shock and other unforeseen circumstances, if not handled in time, easily lead to serious consequences. 1 patients with blood pressure, palpitations, pale, limbs cold and weak, the body out of cold sweat, etc., mostly due to patient stress, neurosis, fasting angiography, abdominal compression over the general lower extremity static