Stress Disorders, Traumatic, Acute

**Definition:** A class of traumatic stress disorders that is characterized by the significant dissociative states seen immediately after overwhelming trauma. By definition it cannot last longer than 1 month, if it persists, a diagnosis of post-traumatic stress disorder (STRESS DISORDERS, POST-TRAUMATIC) is more appropriate.

**Tree numbers:** - F03.950.750.550

**Synonyms:** - Stress Disorders, Acute - Acute Stress Disorders