DR MSK Flashcards

1
Q

with a displaced transverse humerus fracture which nerve is most susceptible to injury?

A

axillary nerve

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2
Q

what clinical sign if axillary nerve is damaged?

A

sensory loss over regimental badge region

weakened abduction due to loss of innervation to deltoid and teres minor

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3
Q

how does a posterior shoulder dislocation appear on x ray?

A

‘lightbulb’ sign

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4
Q

what is colles fracture? what clinical sign is seen?

A

transverse fracture of distal radius

‘dinner fork’ deformity > dorsal angulation of distal fragment of fracture

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5
Q

what is a risk factor for colles fracture?

A

osteoarthritis

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6
Q

how would the leg appear with a posterior hip dislocation?

A

shortened and internally rotated

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7
Q

which nerve greatest risk of damage from posterior hip dislocation?

A

sciatic

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8
Q

how is the blood supply affected with an extra capsular NOF fracture?

A

blood supply from circumflex, femoral and retinacular artery preserved !!! as its extracapsular

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9
Q

which nerves runs in close proximity to medial malleolus?

A

tibial

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10
Q

borders of the adductor canal?

A

roof/anterior boundary= sartorius
lateral= vastus medialis
posterior= adductor longus + magnus

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11
Q

borders of the axillary region

A
medial= serratus anterior
lateral= humerus
anterior= pec major and minor
posterior= latissimus dorsi/ subscapularis
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