Can a concussion exist when a CT is normal?
Yes. Routine imaging may be normal because concussion can affect function without a visible structural finding. A clinician evaluates the injury. Imaging file →
Do symptoms always begin immediately?
No. CDC materials say signs and symptoms may not show up right away and may change during recovery. Symptom file →
What symptoms should be documented?
Physical, cognitive, sleep, and emotional changes, along with their timing and effect on ordinary activities. Documentation file →
What are concussion danger signs?
Emergency warning signs include worsening headache, repeated vomiting, seizure, slurred speech, unusual confusion, and increasing drowsiness. Call 911 for an emergency.
What is post-concussion syndrome?
It is a clinical label for ongoing symptoms after concussion or mild TBI. It should be used in the context of evaluation and a timeline. PCS file →
Should imaging be repeated?
Not routinely in every case; follow the treating clinician's recommendations. CDC adult mTBI guidance discusses when imaging and repeat imaging are appropriate. Imaging file →
How should a symptom log be written?
Use dates, times, the person's own words, activity context, changes, and functional effects. Keep uncertain details marked as uncertain. Documentation file →
How do people return to sports?
CDC HEADS UP describes a gradual six-step progression with healthcare-provider approval and at least 24 hours per step. Return file →
Can school accommodations matter?
Yes. Written restrictions and changes in school activity can document function and recovery. California school-athletics rules should be read in their current statutory context. Return file →
Does this desk calculate settlement value?
No. There are no outcome estimates or predictions here. The desk explains evidence structure and public sources. Claims file →
Is this medical or legal advice?
No. It is educational material. A qualified clinician evaluates health questions and a qualified lawyer evaluates legal questions.
What should an emergency do?
Call 911 or go to an emergency department for urgent danger signs after a head injury.