EM Ortho 10: Most Commons, part 3 Flashcards

Reference: Tintinalli Emergency Medicine A Comprehensive Guide, 9th ed

1
Q

most useful view to detect nondisplaced vertical or marginal fracture of patella

A

sunrise view

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2
Q

most common patella fracture

A

transverse fracture

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3
Q

most common force that produces injury to knee joint

A

valgus

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4
Q

most sensitive and specific test for ACL injury

A

lachmann test

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5
Q

most common ligamentous injury to the knee associated with hemarthrosis

A

ACL

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6
Q

most common cause of acutely locked knee

A

torn meniscus

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7
Q

most common knee dislocation

A

anterior

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8
Q

most common patellar dislocation

A

lateral

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9
Q

most commonly fractured long bone

A

tibia

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10
Q

most frequently ruptured area of achilles tendon

A

2 to 6 cm above calcaneus

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11
Q

most notable finding on examination of achilles tendon rupture

A

palpable gap in achillens tendon 2 to 6 cm proximal to calcaneus

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12
Q

most common type of akle sprain

A

lateral ankle

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13
Q

most common dislocation of the ankle

A

posterior

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14
Q

most important prognostic factor in open ankle fracture

A

amount of energy involved in the injury and amount of soft tissue damage involved

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15
Q

most commonly used IV antibiotics for open ankle fracture

A

cefazolin

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16
Q

most commonly fracture tarsal bone

A

calcaneus

17
Q

most ocmmon mechanism of cuboid fracture

A

plantar flexion and abduction

18
Q

most common fracture of the forefoot

A

phalangeal fracture

19
Q

most common mechanism of phalangeal fracture

A

stubbing mechanism of hallucal proximal phalanx

20
Q

most common site of compartment syndrome in the lower extremity

A

level of tibia and fibula

21
Q

most sensitive clinical finding before the onset of ischemic dysfunction

A

aggravation of pain by passive or active stretching of muscle