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MRI CAT Scan Concussions . Traumatic Brain Injury (TBI). A TBI occurs when an ___________ force damages the brain Classified as: __________________________ __________________________ __________________________ Signs and Symptoms: __________________________ __________________________
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Traumatic Brain Injury (TBI) • A TBI occurs when an ___________ force damages the brain • Classified as: • __________________________ • __________________________ • __________________________ • Signs and Symptoms: • __________________________ • __________________________ • __________________________ • __________________________ • __________________________ Causes of Fatal TBI’s
Sarah Burke • Canadian Free Style Skier • 4x Winter X-Games Gold Medalist • Injured while training in Utah • Fell onto her head and ruptured her vertebral artery • Died on January 19th, 2012
MRI (cont.) • Produce electronic cross-sectional images of the human _______, ________, and _________: • _________________ current causes the nuclei or certain atoms in the body to align magnetically • Then ____________ cause the aligned nuclei to “__________”returning to their original positions when radio waves are withdrawn • _________________ movement of nuclei cause make two-dimensional computer picture • The image is _________________ by ________ • Diagnose tumours and disorders of the ________, ______________, _____________ and ________ _____________________
CAT Scan- Computerized Axial Tomography • Uses _________ technology: • Rotating x-ray tube disperses a set amount of x radiation around the tissue • Scanner takes _________ of the tissue from different angles • Computer program forms a composite image from all the angles captured by camera • ______________ ways of assessing damage (sports injury) • ________________ on head injuries and associated damage to the spine
What is a Concussion? • Result from a blow to the head (______________________). • Definition: A clinical syndrome characterized by ________ and transient ______ of neural function • Seriousness of a concussion is graded on the ________ Scale
Concussion Grading Scale –Cantu Scale (updated as of 2001) • Grade I • ______ loss of consciousness • Less than ___________ of post-trauma signs and symptoms • Grade II • Loss of consciousness for ______ than _____ minute • Post-trauma symptoms between _________________ • Grade III • Loss of consciousness for _______ than ____ minute • Post-trauma symptoms for ___________
Return to Play? –Cantu Scale (updated as of 2001) ***Must be symptom free @ _______and DURING ______________***
Concussion Outcomes • Outcomes: • __________ – 30% • ______________ - 10% • _________________________________ – 60%
Concussions in the news • You will be getting into groups of 4 or 5 • In your group you will be given an article to read as a group • You will then become the “expert” on your article by working through the brief handout • We will then mix up the groups so you can discuss your article and see comparisons or differences with other groups!