The EHR is a record that uses medical information system to save examination, diagnosis, treatment, care and other medical activities relevant information. And EHR can automaticaly make grading, layered quality control to the saved information. The EHR software must have professional quality control function and check, promote the information. The key point of this is the quality control when saving the information. The EHR should save al the things that to see, touch and hear. The unqualified EHR needs fixed to qualify. After the EHR is finished by doctor, the department can not modify and write it again. About the final step of EHR, the expert can check al the running EHR anytime and anywhere then give some feedback to let the doctor complete the EHR. This can makes the EHR have a high quality.
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