MRICAT ScanConcussio

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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

Magnetic Resonance Imaging

MRI (cont.) Produce electronic cross-sectional images of

the human _______, ________, and _________:1. _________________ current causes the nuclei

or certain atoms in the body to align magnetically

2. Then ____________ cause the aligned nuclei to “__________” returning to their original positions when radio waves are withdrawn

3. _________________ movement of nuclei cause make two-dimensional computer picture

The image is _________________ by ________ Diagnose tumours and disorders of the

________, ______________, _____________ and ________ _____________________

Computerized Axial Tomography Scan

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

CAT Scan vs. MRIMRI CAT Scan

Use/Application

Uses (ionizing) Radiation

Time

Cost

Concussions

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

Famous Concussion Cases

What does a Concussion Look Like?

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)

Grade 1st Concussion Subsequent Concussions

Grade I

Grade II

Grade IIIa (unconscious for 1-2 minutes)

Grade IIIb (unconscious for 2+ minutes)

***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!