Falls and Mobility disorders Flashcards

1
Q

Effective intervention for frequent fall patients requires an assessment of what things

A
  • patients intrinsic deficits (diseases, medications)
  • activity at time of fall
  • environmental obstacles
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2
Q

Intrinsic deficits impair what and lead to falls

A
  • sensory input
  • judgement
  • blood pressure regulation
  • reaction times
  • balance and gait
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3
Q

Older people activate what muscles in response to a change in surface

A

proximal muscles

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4
Q

Most important history piece you need to obtain when a patient presents after a fall

A

if there has been a previous fall

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5
Q

If a patient has more than 2 falls in one year what should be done

A

multifactorial risk assessment

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6
Q

What 9 things are involved in a multifactorial risk assessment

A
  • history of falls
  • medications
  • gait, balance and mobility
  • visual acuity
  • muscle strength
  • heart rate and rhythm
  • postural hypotension
  • feet/footwear
  • environmental hazards
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7
Q

What is the get up and go test

A

pateint stands up from sitting without using hands, walks 10 feet and turns around and walks back

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8
Q

What is normal for the get up ad go test? What requires assistance

A

<10 seconds normal

if longer than 30, pts need assistance with mobility tasks

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9
Q

If a patient falls and cant get up by themselves, what are they at risk for

A
  • dehydration
  • pressure sores
  • rhabdo
  • hypothermia
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10
Q

Canes should be used on what side

A

the good side

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11
Q

Height of walkers should be at what level

A

wrist level

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12
Q

What does the functional reach test assess

A

balance

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13
Q

What is the functional reach test

A

pt stands with fist extended alongside a wall–> pt leans forward as far as possible without taking a step–> length of fist movement in measured

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14
Q

What measurement in functional reach test puts pt at an increased risk of falling

A

<6 in

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15
Q

Metabolic bone disease is categorized by what? What are they?

A

histological appearance

osteoperosis–> bone matrix and mineral both decreased

osteomalacia–> bone matrix intact, mineral decreased

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16
Q

What is typically the cause of metabolic bone diseases

A

increased rate of bone resorption

bone formation often normal

17
Q

Labs for osteoperosis

A
  • normal calcium, phosphate, PTH
  • alk phos might be slightly elevated
  • low vitamine D
18
Q

Diagnostics for osteoperosis

A

bone densitometry–> done on all pts at risk for osteoperosis/osteomalacia

19
Q

What cant a DXA scan do

A

distinguish between osteoperosis and osteomalacia

20
Q

DXA in tall people? short people?

A

-overestimates bone mineral density in tall people

underestimates in short people

21
Q

What do T-scores mean

A

> -1.0- normal

-1.0 to -2.5- osteopenia

22
Q

Vitamin D levels of what are considered sufficient

A

> 30-50 ng/ml

23
Q

Typical pattern of bisphosphonate related femoral fracture

A
  • proximal third of femur
  • typically subtrochanteric
  • may be unilateral or bilateral
24
Q

Pathology of bisphosphonate insufficiency fx

A

prolonged use suppresses bone remodling–> microdamage is not repaired

25
Q

Medications that cause osteoperosis

A
  • heparin
  • anticonvulsants
  • glucocorticoids, chemotherpeutics
  • psychotropic, narcotis, barbiturates
  • PPIs
26
Q

Pharmaoclogic therapy for osteoperosis

A
  • bisphosphonates
  • calcitonin
  • estrogens
  • SERMs
  • tissue selective estrogen complex
  • teriparatide
  • denosumab