Presentation on theme: "MRI CAT Scan Concussions. Traumatic Brain Injury (TBI) A TBI occurs when an ___________ force damages the brain Classified as: __________________________."— Presentation transcript:
MRI CAT Scan Concussions
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 19 th, 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 Then ____________ cause the aligned nuclei to “__________” returning to their original positions when radio waves are withdrawn 3.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. MRI MRICAT Scan Use/Application Uses (ionizing) Radiation Time Cost
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) Grade1 st ConcussionSubsequent Concussions Grade I Grade II Grade IIIa (unconscious for 1-2 minutes) Grade IIIb (unconscious for 2+ minutes) ***Must be symptom _______and DURING ______________***
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!