Objective To study and analyze the image's quality and apphcation value of CR system in bedside X - ray of chest. Methods 100 cases, which half of them were examined by CR system and others by traditional X- ray, were compared by experienced doctors and operators. Results In CR system, 16 are excellent, 21 are good, 13 are passed, none is rejected. But in traditional X - ray, only 3 are excellent, 11 are good, 32 are passed, and 4 are rejected. Conclusion CR system is better than traditional X- ray examining.
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