Concussion Management and Recovery

Symptoms and Presentation

The American College of Emergency Physicians notes that mild concussion presents with a constellation of physical, cognitive, and emotional symptoms that typically resolve within 3 months in 80-85% of patients, but 15-20% develop persistent post-concussion syndrome requiring specialist referral and active rehabilitation 1, 2, 3
Headache is the most frequently reported symptom, along with dizziness and balance problems, nausea and vomiting, fatigue, and sleep disturbances, according to the American Academy of Emergency Medicine 1, 2, 3, 4
Cognitive symptoms include memory problems, difficulty concentrating, and confusion, as reported by the American College of Emergency Physicians 1, 2, 3, 4, 5
Emotional and behavioral symptoms such as irritability, anxiety, depression, and emotional lability are common, according to the American Academy of Emergency Medicine 1, 2, 3, 4

The American College of Emergency Physicians recommends that patients with the triad of headache, nausea, and dizziness at initial ED presentation be identified as high-risk for developing post-concussion syndrome, with a 50% chance of developing the condition at 6 months 1, 6, 2
Additional risk factors for prolonged recovery include female gender, age over 40 years, pre-existing mood disorders, and high initial symptom burden, as noted by the American Academy of Physical Medicine and Rehabilitation 5, 7
The prognosis for most adults with post-concussion symptoms is recovery within 3 to 12 months of injury, with 80-85% achieving complete resolution within 3 months, according to the American College of Emergency Physicians 1, 6, 2, 8, 7

The American College of Sports Medicine recommends beginning sub-symptom threshold aerobic exercise immediately rather than strict rest, as complete rest beyond 2-3 days may delay recovery 8
Patients should start light aerobic activity at 60-70% of maximum heart rate for 15-20 minutes daily, gradually increasing duration and intensity as tolerated, according to the American College of Sports Medicine 8, 7
Implementing partial cognitive rest with screen time limited to 30-minute intervals with breaks, reduced reading, and shortened work/school days is recommended by the American Academy of Pediatricians 8

The American Academy of Emergency Medicine recommends that discharge instructions be provided in both written and verbal form at a 6th-7th grade reading level to both patient and immediate caregiver, including a complete list of post-concussion symptoms to monitor, red flag symptoms requiring immediate return, activity recommendations and restrictions, and expected recovery timeline 4, 8
Providing systematic education about post-concussion symptoms can reduce long-term complaints, according to the American College of Emergency Physicians 1, 6, 2