Accepted
at 11:41 a.m. May, 20, 2024
by
Ahmed7
Author:
thomas.holmes
Co-authors:
beejumm
Type of change:
Other
Rationale for change
formatting for text
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Extra
- Sickle cell disease can clot medial femoral circumflex artery (MCFA)
This card recently was updated to include lupus in the mnemonic by adding an ‘S’ to CAST (Dec 2024)
Corticosteroids
Alcohol use disorder
Sickle cell disease
Trauma (most common)
SLEBend: "the Bends" (decompression sickness)
Legg-Calvé-Perthes disease
Gaucher disease
Slipped capital femoral epiphysis (SCFE)
- Other causes include vasculitis (e.g., lupus vasculitis)
- Corticosteroids suppresses osteoblast function and stimulates osteoclast function
- Sickle cell disease can clot medial femoral circumflex artery (MCFA)
- Trauma to femoral neck (e.g., fracture) can cut off blood supply
- Bends - when diving more gas is forced into liquid due to Henry's law, on slow ascent inert gas (nitrogen) comes out of solution via "offgassing" in lungs, rapid ascent causes offgassing to occur in blood, resulting in gas emboli that can affect vasculature and tissues
- Legg-Calvé-Perthes - young children 5-10, initially painless limp but gradual onset of hip pain (no knee pain) due to ligamentum teres femoris constricting before MCFA has time take over blood supply
- SCFE - obese children 11/12, knee and hip pain, increased axial force on femoral head results in epiphysis displacing relative to femoral neck
Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid
Sketchy



Watch Biochemistry Sphingolipidoses: Gaucher Disease, Metachromatic Leukodystrophy, and Krabbe Disease
Watch Pediatric Sphingolipidoses: Gaucher Disease, Metachromatic Leukodystrophy, and Krabbe Disease



Watch Biochemistry Sphingolipidoses: Gaucher Disease, Metachromatic Leukodystrophy, and Krabbe Disease
Watch Pediatric Sphingolipidoses: Gaucher Disease, Metachromatic Leukodystrophy, and Krabbe Disease
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Watch Systemic Lupus Erythematosus SOAP



Watch Pediatric Hip Disorders



Watch Approach to Hip Pain


C:

Alcohol use disorder: (no hook so far)
S:

T:

S:

Bend: (no hook so far)
Le:

G:

S:




Watch Systemic Lupus Erythematosus SOAP



Watch Pediatric Hip Disorders



Watch Approach to Hip Pain


Sketchy Extra
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Picmonic
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Pixorize
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Physeo
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Bootcamp
Watch associated Bootcamp video - Childhood Musculoskeletal Pathology : Slipped Capital Femoral Epiphysis
Watch associated Bootcamp video - Childhood Musculoskeletal Pathology : Legg-Calve-Perthes Disease
Watch associated Bootcamp video - Childhood Musculoskeletal Pathology : Legg-Calve-Perthes Disease
OME
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Additional Resources
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One by one
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