Infections 1 Flashcards
Exanthem
Skin rash
Enanthem
Eruption of mucous membranes
What are the traits of 5th Disease?
Erythema Infectiosum Parvovirus B19 Slapped Cheek Lacy rash Can cause Birth Defects Resp Secretions 4-10 yo. Rash can recurr in hot temps
What are the Traits of Measles/Rubeola?
Exanthem: Rash on face => spread to feet
Enanthem: Koplik’s spots
Comp: Otitis media, pneumonia
What are the Traits of Rubella?
Ex: Pruritic macules on face => neck, trunk and extremities
En: Petechial lesions on soft palate
Comp: Miscarriage, congenital rubella
What are the traits of Exanthum Subitum?
Roseola
Ex: Pink Macules and papules w/white halos
Fever followed by rash
What are the traits of HAnd-foot-mouth disease?
Cocksackie virus
Ex: Painful vesicles on hands, feet, mouth, and butt crack
En: Canker sores
What are the traits of Varicella?
Chicken pox, resp droplets or contact w/ lesions
Face => trunk macule, papules, vesicles and crusting
What are the traits of Molluscum Contagiosum?
DSDNA Pox Virus
Umbilicated dome-shaped papules. From one body area to another. Self resolution
What are the traits of Gianotti-Crosti Syndrome?
Self limited. On extensor surfaces of extremities, face
Hep B, EBV, Hep A, Cock, CMV, RSV can cause it
What are the traits of Pityriasis rosea?
Larger Herald patch
Herpesvirus mistaken for MRSA. Self resolving
Christmas Tree pattern
Erythematous plaques
What are the traits of Warts?
Many causes: HPV
Basal keratinocytes. skin and mucosa
What are the different types of warts?
Verrucae Vulgaris HPV2,4
Verrucae Plana HPV3,10
Palmoplantar Warts HPV1
Condyloma Accuminata HPV6, 11, 16, 18, 31 etc
What types of HPV causes Cervical Cancer?
HPV 16, 18
What is the MAnifestation of HSV-1?
Cold sores
Orofacial
Herpetic Whitlow
What is the MAnifestation of HSV-2?
Genital Herpes
How is HSV 1/2 diagnosed?
Tzanck smear looking for multinucleated giant cells, viral culture, PCR
What is the Tx of HSV?
Supression, not curative
Acyclovir, valacyclovir(oral)
Acyclovir, penciclovir (topical)
What are the traits of VZV-Zoster?
Reactivation by decline in CMI
Dermatome Distribution
Antiviral ASAP
Risk of Postherpetic Pain
What are the Complications of getting VZV Zoster in cranial nerves?
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)
What are the traits of Kaposi’s Sarcoma?
Erythematous mac/pap => plaques and nodules
Anywhere on body
HHV8
Opportunistic in HIV patients
What are the opportunistic infections in HIV?
Histoplasmosis, cryptococcus, zoster, TB, candida, molluscum, Pitysporum
What are the traits of Erythrasma?
Chronic BAct inf by corynebacterium
Toes, groin, axilla
Woods lamp: coral red fluor
KOH Prep: Neg for fungal elements
What are the Tx of Erythrasma?
Benzoyl Peroxide, topical erythromycin
