Lower Extremity Emergencies -- SD Flashcards

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1
Q

What is the common cause of pelvic fractures?

A

Blunt trauma

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2
Q

What is the only stable type of pelvic fracture?

A

Ramus

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3
Q

If you are suspecting a pelvic fracture, what do you look for on exam?

A

Crepitus, instability, ability to bear weight, rotation

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4
Q

What population is at risk for hip fractures?

A

elderly and osteoporotic women

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5
Q

Where are the most common hip fractures?

A

Femoral head, surgical neck, intertrochanteric, and subtrochanteric

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6
Q

How do hip fractures typically present?

A

leg pain – leg shortened and externally rotated

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7
Q

Do we admit hip fractures?

A

yes! all get admitted, foley catheter, and pain control

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8
Q

Do more hip locations occur before or after joint replacements?

A

After – vast majority due to non-native joint

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9
Q

Most common cause of hip dislocations?

A

MVA

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10
Q

Do hips dislocate anteriorly or posteriorly?

A

Posterior

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11
Q

On physical exam, a hip dislocation will have a shortened leg and will be ________ rotated

A

internally

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12
Q

Do patients with a femur fracture typically walk in to the ER?

A

No – this not a subtle injury. Severe pain!

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13
Q

When kids present with big bone fractures, what do you need to make sure to rule out?

A

Abuse

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14
Q

How do we treat femur fractures?

A

surgery – always

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15
Q

Pain out of proportion to exam – knee injury – what is it?

A

Tibial Plateau Fracture

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16
Q

How do we diagnose a tibial plateau fracture?

A

CT scan of the knee

17
Q

Can patients walk with an ACL tear?

A

yes

18
Q

How will patients with an ACL tear present?

A

Lax ligament, swollen knee

Positive anterior drawer test

19
Q

What test on physical exam do we perform to diagnose an MCL/LCL tear?

A

Valgus/Varus force

20
Q

What test do we do on physical exam to diagnose a meniscus tear?

A

McMurrary’s

21
Q

What do we do if a patient presents with knee dislocation?

A

don’t touch it – call ortho

22
Q

What are knee dislocations so serious?

A

High risk of neurovascular problems

23
Q

How will a quad tendon rupture present?

A

Can’t extend their leg at the knee

24
Q

Where do most fibular fractures occur?

A

Lateral malleolus

25
Q

How do most fibular fractures occur?

A

Usually second to inversion injuries

26
Q

What is a masionneurve injury?

A

When the distal fracture in the fibula radiates up, spirals, and break the proximal fibula

27
Q

how do we treat a fibular fracture?

A

splint/non-weightbearing

refer to ortho

28
Q

What what must we look for on x-ray of a bimalleolar/trimalleolar injury?

A

Mortise disruption (widened mortise)

29
Q

Do we admit patients for a bi/trimalleolar fracture?

A

Yes!

30
Q

What test do we do on PE to diagnose an Achilles tendon rupture?

A

Thompson’s test – squeeze calf and nothing happens

31
Q

How do we treat an Achilles tendon rupture?

A

Splint in full plantar flexion and surgery

32
Q

This injury typically occurs when someone falls from height and lands on their feet

A

Calcaneal injuries/fracture