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Dermatology > Infections 1 > Flashcards

Infections 1 Flashcards

1
Q

Exanthem

A

Skin rash

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2
Q

Enanthem

A

Eruption of mucous membranes

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3
Q

What are the traits of 5th Disease?

A 
Erythema Infectiosum
Parvovirus B19
Slapped Cheek
Lacy rash
Can cause Birth Defects
Resp Secretions
4-10 yo. Rash can recurr in hot temps
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4
Q

What are the Traits of Measles/Rubeola?

A

Exanthem: Rash on face => spread to feet
Enanthem: Koplik’s spots
Comp: Otitis media, pneumonia

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5
Q

What are the Traits of Rubella?

A

Ex: Pruritic macules on face => neck, trunk and extremities
En: Petechial lesions on soft palate
Comp: Miscarriage, congenital rubella

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6
Q

What are the traits of Exanthum Subitum?

A

Roseola
Ex: Pink Macules and papules w/white halos
Fever followed by rash

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7
Q

What are the traits of HAnd-foot-mouth disease?

A

Cocksackie virus
Ex: Painful vesicles on hands, feet, mouth, and butt crack
En: Canker sores

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8
Q

What are the traits of Varicella?

A

Chicken pox, resp droplets or contact w/ lesions

Face => trunk macule, papules, vesicles and crusting

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9
Q

What are the traits of Molluscum Contagiosum?

A

DSDNA Pox Virus

Umbilicated dome-shaped papules. From one body area to another. Self resolution

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10
Q

What are the traits of Gianotti-Crosti Syndrome?

A

Self limited. On extensor surfaces of extremities, face

Hep B, EBV, Hep A, Cock, CMV, RSV can cause it

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11
Q

What are the traits of Pityriasis rosea?

A

Larger Herald patch
Herpesvirus mistaken for MRSA. Self resolving
Christmas Tree pattern
Erythematous plaques

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12
Q

What are the traits of Warts?

A

Many causes: HPV

Basal keratinocytes. skin and mucosa

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13
Q

What are the different types of warts?

A

Verrucae Vulgaris HPV2,4
Verrucae Plana HPV3,10
Palmoplantar Warts HPV1
Condyloma Accuminata HPV6, 11, 16, 18, 31 etc

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14
Q

What types of HPV causes Cervical Cancer?

A

HPV 16, 18

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15
Q

What is the MAnifestation of HSV-1?

A

Cold sores
Orofacial
Herpetic Whitlow

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16
Q

What is the MAnifestation of HSV-2?

A

Genital Herpes

17
Q

How is HSV 1/2 diagnosed?

A

Tzanck smear looking for multinucleated giant cells, viral culture, PCR

18
Q

What is the Tx of HSV?

A

Supression, not curative
Acyclovir, valacyclovir(oral)
Acyclovir, penciclovir (topical)

19
Q

What are the traits of VZV-Zoster?

A

Reactivation by decline in CMI
Dermatome Distribution
Antiviral ASAP
Risk of Postherpetic Pain

20
Q

What are the Complications of getting VZV Zoster in cranial nerves?

A

CNVI: Ophthalmic zoster (vesicles at tip of nose

CN VII or VIII involves facial or auditory nerve. tinnitus, vertigo, deafness, loss of tase (Ramsey-Hunt)

21
Q

What are the traits of Kaposi’s Sarcoma?

A

Erythematous mac/pap => plaques and nodules
Anywhere on body
HHV8
Opportunistic in HIV patients

22
Q

What are the opportunistic infections in HIV?

A

Histoplasmosis, cryptococcus, zoster, TB, candida, molluscum, Pitysporum

23
Q

What are the traits of Erythrasma?

A

Chronic BAct inf by corynebacterium
Toes, groin, axilla
Woods lamp: coral red fluor
KOH Prep: Neg for fungal elements

24
Q

What are the Tx of Erythrasma?

A

Benzoyl Peroxide, topical erythromycin

Dermatology (12 decks)

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