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作者对急性下消化道出血患者作核医学急诊检查28例,男11例,女17例,年龄14～74岁。所用药物为~(99m)Tc标记人血清白蛋白、~(99m)Tc标记红细胞、~(99m)Tc锡胶体,给药量为(3.7～5.55)×10~8Bq。动态像用标准显像系统,从腹部大动脉显示时开始每3秒钟摄取1帧,共15帧。静态像为动态像结束后10、20、30、45、60分钟摄取腹部正面像,必要时在1～24小时间追加摄取斜位像。但在用~(99m)Tc标记红细胞时,于检查中留置胃管持续抽吸胃液。结果:检出阳性者16例。最后诊断:溃疡8例,
The author of acute lower gastrointestinal bleeding in patients with nuclear medicine emergency check 28 cases, 11 males and 17 females, aged 14 to 74 years. The drugs used were ~ (99m) Tc labeled human serum albumin, ~ (99m) Tc labeled erythrocytes and ~ (99m) Tc tin colloid in doses of (3.7 ~ 5.55) × 10 ~ 8Bq. Dynamic images with a standard imaging system, from the abdominal aorta display every 3 seconds, when a film, a total of 15 frames. Static images like the dynamic end of 10,20,30,45,60 minutes after taking the abdomen of the frontal image, if necessary, in 1 to 24 hours additional uptake of oblique images. However, when using ~ (99m) Tc labeled erythrocytes, gastric tube was kept in the test and the gastric juice was continuously aspirated. Results: 16 cases were positive. The final diagnosis: 8 cases of ulcers,