Foot Flashcards

1
Q

What is xerosis?

A

Dry skin

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2
Q

What is onychocryptosis?

A

Ingrown toenail

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3
Q

What is hyperkeratosis?

A

Corns/calluses

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4
Q

What are the characteristics of xerosis?

A

Dry, flaky skin

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5
Q

What is the protein that you lose as you age in the skin/

A

Epidermal filaggrin

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6
Q

What glads are lost that decrease sweating?

A

Eccrine glands

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7
Q

Which type of substances are well absorbed: hydrophobic or hydrophilic?

A

Hydrophobic

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8
Q

What part of the skin has a delayed recovery time?

A

Stratum corneum

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9
Q

What type of dysfunction is seen in DM pts that affects the skin?

A

Autonomic dysfunction

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10
Q

Tinea pedis is more common in what season? Why?

A

Winter due to low humidity

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11
Q

What is the stain to use to determine if fungi are present on a slide?

A

kOH

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12
Q

What are the three major foot problems in the elderly?

A

Tiea
Eczema
Psoriasis

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13
Q

What are the five treatments for xerosis?

A
Lanolin
Water
Urea
AmLactin (lactic acid)
Oatmeal
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14
Q

What drug should you use if there is fissuring/cracking of the skin?

A

1% hydrocortisone cream

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15
Q

What should you do if pts have really bad cracking of the skin?

A

Occlude with saran warp or socks

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16
Q

When should topical agents be applied to the skin?

A

After shower

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17
Q

What are the socks that you can buy to hydrate skin?

A

Silipos

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18
Q

What is the drug that you should use to kill tinea of the foot?

A

OTC Lamisil

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19
Q

What is the general rule to remember for skin?

A

If its wet, dry it out.

If dry, wet it

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20
Q

What is the enzyme that fungi produces that causes brittle toenails? What does it do?

A

Keratinase–destroys keratin

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21
Q

What are the causes of yellow nails? (TOECLYPT)

A
Trauma
Onychomycosis
Eczema
Circulatory problems
Lichen planus
Yellow nail syndrome
Psoriasis
Tumor
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22
Q

How do you diagnose onychomycosis?

A

Lab

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23
Q

What is the usual cause of onychocryptosis?

A

Heredity ad improper nail trimming

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24
Q

When should nails be cut straight across?

A

Straight across only if the nails are normal

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25
If there is a chronic problem with ingrown toenails, what should you do?
Remove some of the distal corner
26
Is the central V cut helpful?
No
27
True or false; some pts do better with in-grown nails if left longer than normal
True
28
What is the infection most common cause of paronychia? How you diagnose this?
Staph Aureus--just assume its this.
29
What is the treatment for paronychia? (3)
10 min warm water Betadine solution Cephalexin
30
What is the surgical treatment for paronychia?
Lance it Bid soaks Cephalexi
31
What is hyperkeratosis?
Thickened skin that is the result of intermittent pressure over the bones
32
When is hyperkeratosis bad?
If painful---means there is an ulcer beneath the callus
33
What happens if there is intermittent pressure over skin?
callus
34
What happens if there is constant pressure over skin?
Ulceration
35
What is the major complication of corns on the distal toes?
Osteomyelitis
36
What is the only layer o the skin that can be built up?
Stratum corneum
37
What causes the pain associated with hyperkeratosis?
Pressing against the sensory receptors in the underlying dermis
38
What is the treatment hyperkeratosis?
Debridement Padding Shoe modifcation
39
What is the shoe that can be used for hyperkeratosis?
Queen mary shoes
40
What are the two common digital bone deformities seen in the elderly?
Hallux valgus | Hammertoe
41
What is a bunion? What causes this?
normal first metatarsal that has moved medially due to a tendon imbalance
42
What is the treatment for bunion?
Extra depth shoes Bunion shield Toe separator Surgery
43
What is a hammertoe?
PIP dorsiflexes | DIP plantar flexes
44
What causes a hammertoe?
Tendon imbalance
45
What is the treatment for hammertoes?
Debridement Paddings Splints Shoes
46
What causes pes planus?
Progressive ligamentous laxity
47
What is the other name for flat foot/pes planus?
Pronation
48
What are the complications of pes planus?
Leg/back pain MPJ pain DJD Tendonitis
49
Inflammation of the plantar fascia of the foot is called what?
Plantar fasciitis
50
Pain in the bottom of the heel + pain getting out of bed = ? Treatment?
Plantar fasciitis | Get ***
51
Do the bone spurs that occur with plantar fasciitis cause the pain?
No
52
What is the treatment for pes planus?
Arch support
53
What is the joint that you need to get pressure under to fix pes planus?
Talonavicular joint
54
What is the complication of vascular deterioration in aging?
Atherosclerosis, causing chronic venous insufficiency
55
What part of the body will show signs of vascular disease?
Foot for arteriole | Ankle for venous
56
What is the effect of DM on vessels?
Accelerates the aging of the arteries
57
What is the waist sizes for men and women with DM? What is the predictive value for this?
>40 inches for men >35 inches for women 80% predictive value
58
What is the solution for a bad calcaneal ulcer?
BKAs
59
What is the treatment for atherosclerosis of the feet for DMs?
Deep shoes | Tight regulation of blood sugars
60
What is the level of HbA1C level that DMs should be below?
61
True or false: Medicare will pay for therapeutic DM shoes if you write a letter
True
62
What causes chronic venous insufficiency? Effects?
Damage to vein valves, causing congestion of blood and hypoxia
63
Venous ulcers will appear with what color?
Red
64
Arterial ulcers will appear with what color?
White, black, gray
65
venous insufficiency will eventually cause what?
Ulcerations
66
Chronic venous insufficiency can lead to what complication in the leg?
DVTs and PEs
67
What is the treatment for venous disease?
Compression hose
68
Numbness, tingling, burning in the foot can suggest what neurological diseases? (4)
DM B12 deficiencies Thyroid disease EtOH-ism
69
What is the range of the compression hoes that most pts can tolerate?
20-30 mmHg
70
what percent of peripheral neuropathy pts do not have an identifiable etiology?
40%
71
What percent of DM neuropathy is caused by something OTHER than hyperglycemia?
10%
72
Inability to perceive pain or pressure in the foot will cause what?
ulceration
73
What number of areas out of the 10 tested by the monofilament suggests anesthetics peripheral neuropathy?
74
What is the treatment for DM peripheral neuropathy?
Control blood sugars | Lyrica
75
True or false: there is NO cure for a loss of sensation in distal extremities of DM
True