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The total number of viable microorganisms in a sample (or total viable count) is usually expressed in terms of colony forming units (or CFUs); the higher the count, the higher the burden. Centers for Disease Control and Prevention Guideline for the Prevention of SurgicalSite Infection, 2017. 2017 Aug 1;152(8):784-791.
Surgeons use a Polar S710i heart rate monitor for continuous tracking, and saliva samples for cortisol analysis are collected before and after each surgery. The ISAT evaluates stress using both objective measures such as heart rate and cortisol levels, and subjective reports.
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