Exam 2: Other Flashcards
3 types of pain
inflammatory, nociceptive, neuropathic
2 types of nociceptive pain
visceral, somatic
2 types of neuropathic pain
central, peripheral
2 types of inflammatory pain
tissue inflammation, hypersensitivity
2 types of somatic pain
deep, superficial
pain type: presence of a potentially damaging stimulus
nociceptive
pain type: promotes healing by preventing movement and contact
inflammatory
pain type: withdrawal reflex
nociceptive
pain type: commonly chronic
neuropathic
pain type: transient
nociceptive
pain type: associated with tissue damage and inflammation
inflammatory
pain type: protective function
nociceptive
nociceptive pain definition
caused by physiological activation of pain receptors
neuropathic pain definition
caused by lesion in central or peripheral nervous system
localization of nociceptive pain
local and referred
mechanism of neuropathic pain
ectopic impulse generation, central sensitization, etc.
dermatome definition
the area of the body affected by each nerve root
tx step 1 of pain ladder
non-opioid, with or without adjuvant
step 2 of pain ladder
pain increasing or persisting
step 3 of pain ladder
pain increasing or persisting
step 4 of pain ladder
free of cancer pain
tx step 2 of pain ladder
opioid for mild-moderate with or without non-opioid, with or without adjuvant
tx step 3 of pain ladder
opioid for moderate to severe pain with or without non-opioid, with or without adjuvant
DMARD
disease-modifying anti-rheumatic drug
how long for IV pain meds to start working
30-60 seconds
how long for IM pain meds to start working
10-20 minutes
how long for SL pain meds to start working
3-5 minutes
onset IH pain meds
2-3 minutes
onset SQ pain meds
15-30 minutes
onset PR pain meds
5-30 minutes
onset PO pain meds
30-90 minutes
what type of opioids are best for severe pain
long-acting
what type of opioids are best for moderate pain
short-acting
3 long-acting opioids
transdermal fentanyl, oxycodone SR, morphine SR
commonly used opioids for moderate pain
hydrocodone, oxycodone, codeine, morphine
non-opioids for mild pain
APAP, NSAIDs, Cox-2 inhibitors, tramadol, salicylate
adjuvant pain meds
antidepressants, anticonvulsants, corticosteroids, topical agents
how often narcotic contract review
q 3 months
what must happen q 6 months for narcotic contract
urine drug screen
components of 3 month visit for narcotics
check PMP, confirm diagnosis, confirm pain plan, evaluate potential for abuse, update comorbidities, document alternative treatments tried, discuss risks and benefits
narcotic contract for sedative/hypnotics?
No, but need UDM
who does not need narcotic contract
patients who fill less than 90 pills in 90 days
which type of arthritis has swan neck deformity
rheumatoid
which type of arthritis has ulnar deviation
rheumatoid
which type of arthritis has bouchard’s nodes
osteo
4 stages of healing
hemostasis, inflammatory, proliferative, remodeling
remodeling stage timeline
weeks to months
inflammatory phase timeline
hours to days
hemostasis phase timeline
seconds to hours
proliferative phase timeline
days to week
healing stage epithelialization
remodeling
healing stage vasoconstriction
hemostasis
healing stage early neutrophil, late macrophage
inflammatory
healing stage leukocyte migration
hemostasis
healing stage collagen synthesis
proliferation
healing stage increase tensile strength of wound
remodeling
healing stage chemoattractant release
inflammatory
healing stage phagocytosis
inflammatory
healing stage ECM reorganization
proliferation
healing stage ECM remodeling
remodeling
healing stage angiogenesis
proliferation
healing stage epithelialization
proliferative
healing stage platelet aggregation
hemostasis
healing stage granulation tissue formation
proliferative
what is wound undermining
when the edges of a wound become eroded and a pocket forms underneath, measured by putting a probe under the wound edge but parallel to the skin
tunneling occurs in what stage pressure ulcers
3 and 4
stage of wounds with slough
3 and 4
what should one assume in the presence of slough
that the wound is colonized with bacteria
composition of slough
serum proteins, collagen; may change color if bacteria also present
characteristics of stable eschar
hard, black, dry, leathery
composition of stable eschar
desiccated and necrotic tissue
when should stable eschar not be removed
when it is on a distal arterial wound
characteristics of unstable eschar
black, shiny, boggy, accompanied by inflammation
significance of unstable eschar
bacteria are present on viable tissue underneath, watch for signs of infection
characteristics of granulation tissue
red or deep pink, shiny, bumpy surface, moist
composition of granulation tissue
new capillaries, matrix, fibroblasts, collagen
rolled wound edge aka
epibole
characteristics of rolled wound edge
raised and rounded wound edges that have rolled under
rolled wound edge composition
healing skin, sealed edge of mature epithelium
characteristics of epithelialization
paler skin color, ground glass appearance
composition of epithelialization
epithelial cells (new skin)
thin, opaque wound exudate
seropurulent
think, opaque wound exudate
purulent
significance of sanguineous exudate
new blood vessel growth or disruption of blood vessels
significance of serous wound exudate
normal during inflammatory and proliferative phases
significance of serosanguineous wound exudate
normal during inflammatory and proliferative phases
significance of purulent wound exudate
signals wound infection, may have odor
significance of seropurulent wound exudate
may be the first sign of infection
Stage III pressure ulcer involves what
epidermis, dermis, subcutaneous tissue/superficial fascia
Stage 1 pressure ulcer involves what
epidermis
Stage IV pressure ulcer involves what
epidermis, dermis, subcutaneous tissue/superficial fascia, underlying structures
Stage II pressure ulcer involves what
epidermis, dermis
partial thickness corresponds to what stage
II
full thickness corresponds to what stage
III, IV
Diabetic ulcers are what grade
stage of pressure ulcer minus 1
appearance of stage III ulcer
deep ulceration with or without undermining of adjacent tissue
appearance of stage 1 ulcer
non-blanchable erythema of intact skin
appearance of stage IV ulcer
extensive tissue destruction with exposure of underlying structures, tissue necrosis
appearance of stage II ulcer
superficial ulceration: abrasion, crater, or blister
to avoid pressure ulcers, patients should be turned every
2 hours
dressings for skin tears
non-adherent
recheck for skin tears
24-48 hours
Category 3 skin tear
flap is completely absent
category 1 a skin tear
flap is present and can be replaced without stretching, no signs of flap compromise are present
category 2a skin tear
edges cannot be realigned to normal anatomical position, no signs of flap compromise
category 2b skin tear
edges cannot be realigned to normal position, signs of flap compromise
category 1b skin tear
flap is present and can be replaced with stretching, there are signs of flap compromise.
what percentage of ulcers are caused by venous insufficiency
70%
3 characteristics of wounds caused by venous insufficiency
shallow ulcer in lower third of leg, surrounding skin changes, irregular in shape
3 options for diagnosing venous insufficiency
venous duplex imaging, air plethysmography, venography
contraindications for pressure stockings
open wound, arterial occlusion
what pressure should be used for chronic venous insufficiency with edema
low-moderate, 30-40
high compression pressure and uses
50+, lymphedema/phlebolymphedema
what pressure is used for edema prevention during daily activities
10-15, light support
what pressure is used for refractory venous insufficiency or lymphedema
moderate, 40-50
what pressure is used for DVT prophylaxis in non-ambulatory patients with edema
low, 15-20
what pressure is used for venous insufficiency with varicosities and dependent edema
low, 20-30
when should compression stockings be replaced
every 3-4 months
what is Marjolin’s ulcer and when is it suspected
type of squamous cell carcinoma, non-healing venous ulcer after 3 months
treatment for stasis derm, dry pruritic
moisturizer or petroleum-based emollient
tx for stasis derm, dry pruritic burning
impregnated gauze
tx for stasis derm, impetiginized
topical abx (-cin)
tx for stasis derm, vesiculation/oozing
topical corticosteroids (-inolone)
tx for stasis derm, refractory
corticosteroids
what percentage of PAD patients are asymptomatic
> 50%
what percentage of diabetic foot ulcers results in LEA
25%
albumin signalling protein malnutrition
<3.5
critically low anemia that may inhibit wound healing
HCT<18
what is atrophie blanche
white scarring due to microthromboses
what is lipodermatosclerosis
fibrosing subcutaneous tissue with progressive induration and hyperpigmentation
what finding is normal on venous duplex
triphasic
what are clinical signs of Marjolin’s ulcer
rolled margins, rapid increase in size, excessive granulation
what is Buerger’s disease
progressive inflammation and thrombosis of small vessels in extremities
type of wound bed seen in PAD
pale or necrotic
what ABI is abnormal
<1.0 or >1.3
what is hyperkeratosis
callous formation at pressure points
when is hyperkeratosis seen
diabetic neuropathy
what is gastrocnemius soleus equinus
limited range of motion with increased pressure on sole of foot due to limited ankle dorsiflexion
charcot foot
rocker bottom
what is pes cavus
high arch
what is pes planus
flat foot
what A1C is suggestive of nonhealing ulcer
> 12
what A1C is considered diabetic
> 6.5
how much periwound erythema for OM
> 2 cm
is imaging diagnostic for OM?
Not always, bone biopsy is gold standard
what bacteria is usually present in gangrene
clostridium
what is the best imaging modality for limb-threatening foot infection
CT
what are 3 signs of limb-threatening foot infection
crepitus, bullae, pain out of proportion
what lab values differentiate LTFE from cellulitis
elevated CK, AST
excess of what nutrient can cause retardation in healing and fibrosis
vitamin E