mri cat scan concussions
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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: __________________________ __________________________ - PowerPoint PPT PresentationTRANSCRIPT
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
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 Then ____________ cause the aligned nuclei to “__________” returning to their original positions when radio waves are withdrawn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!