Infection Control and Prevention Surveillance Was Underway in the Cardiac

Infection control and prevention surveillance was underway in the cardiac intensive care unit because of an alarming prevalence of sternal wound infections.The infection preventionist and perioperative resource nurse reviewed the criteria in order to define the SSI and develop strategies for further investigation and prevention.The infectious signs and symptoms arose on postoperative day 2 with edema,redness,and purulent exudates that appeared to be isolated to the subcutaneous plane above the sternum.What two important criteria must be met to conclusively define this surgical site infection (SSI) ?

A) Physician examination for wound separation with cultures of superficial and deep tissues
B) Positive wound cultures from deep tissues,but not the organ space,with cultures of drainage
C) Positive wound cultures obtained from the deepest accessible source of wound drainage
D) Positive diagnosis of the SSI by the surgeon or attending physician

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