《英文msh詞典》Posttraumatic Stress Disorders
[入口詞] Posttraumatic Stress Disorders
[主題詞] Stress Disorders,Post-Traumatic
[英文釋義] A class of traumatic stress disorders with symptoms that last more than one month. There are various forms of post-traumatic stress disorder,depending on the time of onset and the duration of these stress symptoms. In the acute form,the duration of the symptoms is between 1 to 3 months. In the chronic form,symptoms last more than 3 months. With delayed onset,symptoms develop more than 6 months after the traumatic event.