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Typical Ribs + features
- 3-9
- Head, crest of head, neck, demifacet, tubercle, body
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1st rib features:
- broad, short, sharply curved, single faceted
- groove for subclavian vessels!!!
- scalene muscle tubercle!!!
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ribs 11-12
- single-faceted
- no neck or tubercle
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Cervical Rib
Head articulates with C7
0.5-2% population
Can present as Thoracic Outlet Syndrome
Correlated with high incidence of childhood cancer
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Gorilla Ribs
Lumbar Ribs- L1, L2
can be misdiagnosed as fracture of L1 transverse process
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Flail Chest
- Multiple rib fractures cause the thoracic wall to separate from the rib cage.
- This causes paradoxical movement uppon breathing due to unopposed intrapleural pressure
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Level of:
jugular notch
Manubriosternal Joint
Xiphisternal Joint
Bottom of xiphoid process
- Jugular notch: T1
- sternal Angle: T4/T5 intercostal space
- Xiphisternal joint: T9
- Bottom of XP: T10
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