8th grade ch. 1 sec. 3 diagnosing bone & joint injuries
TRANSCRIPT
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Ch. 1 Sec. 3Diagnosing
Bone & Joint
Injuries
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What Do X-ray Images Show?
1. Examine the photos of the X-ray images.
2. Try to identify what part of the human body the X-ray shows.
3. Locate the break in a bone.
• Think It Over• Observing What types of structures
are seen clearly in the X-ray? What types of structures cannot be seen?
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Common skeletalsystem injuries
Break in bone
Bone comes
Out of joint
LigamentsStretched
Too far
fracture dislocation sprain
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dislocation
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X- rays MRI(magnetic resonance
imaging)
Procedure film placed under area to be viewed beam of x-rays emitted pass thru skin & body tissue absorbed in bone
patient placed
in cylinder exposed to magnetic energy
Effect on cells
can cause
damage
causes
no damage
Cost low cost high cost
Injury type bone soft tissue & bone
Identifying Injuries
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X-ray
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MRI
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Magnetic resonance imaging can produce images of muscles and other soft tissues in the body. The image on the right was produced using magnetic
resonance imaging.
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Open MRI
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MRI brain scan
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X-rays/MRIs
[05:39]
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Treating injuries• Wear a cast• Surgical procedures: joint
replacement & arthroscopy
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arthritis• disease of joints that makes
movement painful
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arthroscope• instrument used to
look inside joint to see what’s wrong
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