APEA 3P Actual Exam Preparation Newest
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R-Rash
M-Muscle aches (myalgia)
RMSF pneumonic (RMSF)
S-Stomach aches (nausea
and vomiting) F-Fever
(>102 F)
Rocky Mountain Spotted • Think "Rocky"- North Carolina, Oklahoma,
Fever (RMSF): Located: Arkansas, Tennessee, Missouri Spring to Fall
(April to September)
PCR assay by indirect immunofluorescence antibody
Rocky Mountain Spotted Fever
(RMSF): DX (IFA) assay for immunoglobulin G (IgG) for Rickettsia
Rickettsii
Doxycycline is always first
Rocky Mountain Spotted Fever line for all ages 100 mg every
(RMSF): tx
12 hours x 7-10 days
Can be fatal if not treated within the first 5 days
Usually appears in 7-14 days after being bitten by a
deer tick; range 3-30 days Target bull's-eye Rash is hot
Erythema Migrans (early Lyme
to touch with rough texture. Expanding red rash with
disease): Symptoms
central clearing • Common locations are belt line,
axillary area, behind the knees, and groin area •
Positive for flu like symptoms. Lesions and rash resolve
within a few weeks with or without treatment
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Dx: • First step is enzyme immunoassay (EIA) also knows
as ELISA if negative no further testing needed. If
positive confirm with Western Blot test (aka indirect
immunofluorescence assay (IFA) for Borrelia
Erythema Migrans (early Lyme Burgdorferi
disease): DX
1. Enzyme immunoassay
2. western blot test
(immunoflurorescence assay/ IFA)
Exam Tip: E before I
Will have increased ESR
Doxycycline is always first
line for all ages 100 mg BID x
10-21 days
Erythema Migrans (early Lyme
disease): TX
Remove ticks by grasping with tweezers or forceps
close to the skin and pulling gently with steady
pressure. After removing the tick, clean area with
rubbing alcohol, iodine scrub, or soap and water.
Dispose of the tick by flushing it into the toilet
Tick repellant skin use DEET
Tick repellant clothing use Permethrin
• Fever, chills • Nausea and Vomiting • Located in the
arms, upper legs, or the trunk • Bitten area becomes
Brown Recluse Spider Bite: SX
swollen, red, and tender, or can be painless • Blisters
appear within 24-48 hours • Necrotic in center, which
kills the tissue
**can be painless
Treatment: • Ice packs to wound as the cold inactivates
Brown Recluse Spider Bite
treatment the toxin • Treat like cellulitis of the skin • Antibiotic
ointment at first and watch
primary skin lesions
Skin lesions
Macule Vesicle Papule MVP Size: <1 CM
Fever chills N/V myalgia arthralgia
2-5 days later develop petechial rash on forearms, ankles, and
wrists that spreads towards trunk and becomes generalised.
sometimes rash develops on palms and soles
*RASH DEVELOPS INWARDS*
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Rocky mountain spotted fever
(RMSF) symptoms
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Flat, nonpalpable, but visually distinct areas on the skin
Macule surface with color different from the person's normal
skin; less than 1 cm
FRECKLE
Vesicle elevated, raised lesion filled with serous fluid (herpetic lesions)
Papule palpable solid lesion (acne, moles)
Nod
ule
primary skin lesions >1cm in Plaq
size
ue
Bullae
(Blister)
Pustule
Wheal
Nodule raised solid lesion (BCC)
Plaque solid raised lesion with flat top (psoriasis)
Bulla/Bullae elevated superficial blister filled with serous fluid (2nd degree
burn, impetigo)
Pustule circumscribed elevated lesion containing pus (acne pustules)
thickening of the epidermis with exaggeration of normal
Secondary Skin Lesions-
Lichenification skin due to chronic skin itching (eczema)
Secondary skin lesions- Scale flaking skin (psoriasis)
Secondary skin condition- dried exudate (impetigo)
crust
Secondary skin condition- eroding of epidermis and dermis (if deep can involve
ulceration subcutaneous tissue)
Secondary skin condition-scar permanent fibrotic change following damage to dermis (surgical
scars)
Secondary skin condition- overgrowth of scar tissue (more common in Black and Asian
keloids/hypertrophic scars descent)
Head and neck
= 9% Upper
Rule of 9's Ex = 9% each
Lower Ex =
9% each Front
trunk = 18%
Back trunk =
18%
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