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Infectious Disease > Dermatology > Flashcards

Flashcards in Dermatology Deck (20):
1

Normal Flora - skin

staph epidermis
corynebacterium
staph aureus
streptococci (A&B)

2

Lice

pediculus humanus capitis; p. humanus corporis
Tx: Permethrin

3

Scabies

Sarcoptes scabiei
PE: red, crusty, papillar; burrows
Tx: permethrin, 7d

4

Molluscum Contagiosum

Et: DNA poxvirus
*close contact
Hx: dome shaped papules; umbillication
Tx: self-limiting; 2 months

5

Varicella Zoster Virus

Et: herpes alpha virus
Hx: Chkpox - fever, rash 1-2d
Shingles - vesicles crust/scab 7-10d
Tx: Chkpox - supportive
Shingles - acyclovir w/i 72hr

6

Human Papilloma Virus

**Warts**
Et: DNA papovavirus
Tx: cryotherapy; spontaneous remission

7

Rubeola

Et: RNA morbillivirus
Hx: prodromal - fever, malaise
exanthem - rash
PE: koplik spots; fine, macular rash diffused over trunk
Tx: supportive

8

Mumps

Et: RNA paramyxovirus
Hx: prodromal - malaise
wk 1 - parotid tenderness
Tx: acetaminophen, supportive

9

Rubella - German Measles

Et: RNA togavirus, eveloped
Hx: rash face spreading downward
Tx: supportive

10

Erythema Infectiousum - 5th Disease

Et: DNA paravovirus B19; spring; outbreak 4-6yrs
PE: mild fever; 3 stage rash
1. bright red cheek, 2. spread distal, 3. last weeks
Tx: supportive; 2 weeks

11

Hand, foot, mouth

Et: coxsackie virus
Tx: supportive

12

Cellulitis

Et: staph esp w/abscess; strep
Hx: red, warm, tender, lymphangitis
Tx: I&D, culture, HP, soaks, +/- abx; if abx - cephalexin, MRSA - trimethoprim/sulfamethoxazole

13

Impetigo

Et: Bullous - S. Aureus
non-bullous - S. Aureus, Grp A strep
Tx: topical mupirocin
**F/U: 7-10d

14

Rocky Mt Spotted Fever

Et: Tick w/rickettsia rickettsii
Hx: blanching macular rash ankles, wrist, & forearms; no target
Tx: doxycycline
F/U: closely

15

Diabetic Foot Ulcers

Et: S. Aureus, S. agalactiae, S. pyogenes
*peripheral neuropathy & arterial disease

16

Viral Exanthem

macular rash following viral infection

17

Yeast

candida albicans

18

paronychia

nail fold inflammation
Et: S. Aureus; assoc w/ingrown nail
Tx: I&D; empiric abx

19

Syphilis

Et: treponema pallidum-spirocete; systemic STD; endotoxin LPS
Hx: primary - painless ulcer, secondary, tertiary
Tx: penicillin; doxycycline

20

Lyme Disease

Et: tick w/Borrelia Burgdorferi-spirochete
Hx: 3 stages
PE: erythema migrans (target)
Tx: doxycycline, NSAID
*endotoxin, resists phagocytosis, sequester in jts, skin, CNS; relapse