Concussion modifiers3
Factor | Modifier |
---|---|
Symptoms | Number Duration (>10 days) Severity |
Signs | Prolonged loss of consciousness (>1 min), amnesia |
Sequelae | Concussive convulsions |
Temporal | Frequency—repeated concussions over time Timing—injuries close together in time ‘Recency’—recent concussion or traumatic brain injury |
Threshold | Repeated concussions occurring with progressively less impact or slower recovery after each successive concussion |
Age | Child and adolescent (<18 years old) |
Comorbidities and premorbidities | Migraine, depression or other mental health disorders, attention deficit hyperactivity disorder, learning disabilities, sleep disorders |
Medication | Psychoactive drugs, anticoagulants |
Behaviour | Dangerous style of play |
Sport | High-risk activity, contact and collision sport, high sporting level |