Viral Infections of the Skin 1a: Intro, HSV1, HSV2 Flashcards
Give the term for a non-infectious inflammation of the skin
Dermatitis
Give the term for an eruptive, infectious rash
Exanthem
Give the term for a flat, discolored patch
Macule
Give the term for a raised, discolored patch
Papule
Give the term for a raised, fluid-filled blister
Vesicle
Give the term indicating redness in the skin
Erythema
Give the term for tiny, dark spots due to localized hemorrhage
Petechiae
Give the term indicating itchiness in the skin
Pruritis
Give the term for a vesicle filled with pus
Pustule
Give the term for a pus-filled vesicle with a dimple in the center
Umbilical rash
Put the following viruses in order from most to least common: Coxsackie, HPV, Measles, Rubella, Herpesviruses, Poxviruses
Herpesviruses, Coxsackie virus, HPV, poxviruses, measles, rubella
Name the 6 groups of herpesviruses.
Herpes simplex (HHV1 and 2) Varicella zoster (HHV3) Epstein Barr (HHV4) Cytomegalovirus (HHV5) Roseola (HHV6 and 7) KSHV (HHV8)
Give the 4 stages that characterize herpesvirus infections.
Exposure/transmission - primary infection - latency - recurrence
In what 2 cell types do herpesviruses hang out during latency?
Neurons and lymphocytes
What is the major route of transmission of herpesviruses?
Secretions, especially saliva, to mucous membranes
What is the most common herpesvirus stage to present with skin rash?
Primary infection
Most individuals are infected by how many strains of herpesvirus? At what age do most people acquire a primary herpes infection?
3 strains; acquired in childhood
During what stage of a herpesvirus infection are no symptoms are present but the virus can still be spread? What term describes this spread?
Latency; asymptomatic shedding
What is the major difference in clinical presentation of HSV-1 vs HSV-2?
HSV-1 (oral) is above the waist, while HSV-2 (genital) is below the waist (but this differentiation is disappearing)
What herpesvirus presents as cold sores / “canker sores” / fever blisters and can be triggered by fever, sunlight, or other stresses?
HSV-1
What herpesvirus can cause T-cell mediated keratitis, corneal scarring, and blindness?
HSV-1 and HSV-2
What disease is caused by direct skin contact of non-mucosal sites with HSV1 or 2, and results in chronic finger/hand/leg rashes similar to cold sores?
Herpetic Whitlow
What virus presents as vesicular, pustular, or erythematous lesions of the penis, labia, anus, mouth, or eye accompanied by pain, itching, fever, malaise, and headache?
HSV-2 / genital herpes
HSV-2 can spread to what major organ if not promptly treated with antivirals?
The brain
During what stage of HSV-2 is congenital transmission most likely to occur?
Primary infection
What is the difference in skin presentation between primary and recurrent HSV-2 infection?
The level of skin infection decreases in recurrent HSV-2