Definitions for "Acute stress disorder"
New in DSM-IV, a short-lived anxiety reaction to a traumatic event; if it lasts more than a month, it is diagnosed as posttraumatic stress disorder.
feelings of intense fear, helplessness and horror following trauma, within four weeks of the event. Lasts for at least two days, at most four weeks.
Anxiety, fear and other symptoms that occur within one (1) month after exposure to an extreme traumatic stressor.