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Medical Term:

posttraumatic stress syndrome


a disorder appearing after a physically or psychologically traumatic event outside the range of usual human experience, (a serious threat to one's life or seeing a loved one killed), characterized by symptoms of reexperiencing the event (flashbacks), numbing of responsiveness to the environment, exaggerated startle response, guilt feelings, impairment of memory, and difficulties in concentration and sleep.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.