AACN Cardiac Surgery Certification (CSC)

Deep hypothermic circulatory arrest (DHCA) is used in aortic arch surgery primarily to:

Provide a bloodless operative field while protecting the brain and organs during circulatory pause Allow higher pump flow rates Prevent coagulopathy Enable off-pump arch reconstruction

Correct Answer:

Provide a bloodless operative field while protecting the brain and organs during circulatory pause

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