Body substance isolation (BSI) is a modification of universal precautions and is not limited to bloodborne pathogens and considers all body fluids and moist body substances to be potentially infectious. Personnel should wear gloves at all times when encountering moist body substances. Unlike UP(Universal precautions) , a disadvantage of the BSI guideline is that it does not recommend handwashing after removing gloves unless visual contamination is present. The practice of BSI was common in Pre-Hospital care and Emergency Medical Services due to the often unknown nature of the patient and his/her disease or medical conditions. It was a part of the National Standards Curriculum for Prehospital Providers and Firefighters. The features of UP and BSI have now been combined and are called “Standard Precautions”.
Also see: Standard Precautions in the Laboratory
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