Simple Cognitive Task After Trauma EKUT RCT

Inclusion Criteria

• •Aged 18 or over
• •Experienced or witnessed a traumatic event resulting in admission to the emergency department
• •Met the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM5) criterion A for Posttraumatic Stress Disorder (PTSD) in that ("The person was exposed to actual or threatened death, serious injury, or sexual violence" by "Directly experiencing the traumatic event(s)" or "Witnessing, in person, the event(s) as it occurred to others")
• •Can be seen in the emergency department ca. 6 hours after the traumatic event (day 1)
• •Report memory of the accident
• •Fluent in spoken and written Swedish
• •Alert and orientated
• •Have sufficient physical mobility to use their smartphone
• •Willing and able to provide informed consent and complete study procedures
• •Willing and able to be contacted following discharge to complete follow-up assessments
• •Have access to an internet enabled smartphone