Viral Exanthems

Question 1

what is important to note about erythema infectiosum?

Answer 1

dangerous for pregnancy

Question 2

what is the etiology of erythema infectiosum?
what is it also known as?

Answer 2

parvovirus B19
Fifth Disease

Question 3

a patient presents with malaise, myalgia, headache, sore throat, and coryza. symptoms go away and then a rash appears that is raised, erythematous maculopapular on the cheeks. what is the diagnosis and treatment?

Answer 3

erythema infectiosum

supportive (hydration, acetaminophen, rest)

Question 4

classic, pathogonomonic findings of lesions to the mouth, palms, and soles. what is it and the etiology?

Answer 4

hand, foot and mouth
coxsackievirus

Question 5

a patient presents with a low grade fever less than 101, malaise, mouth pain and vesicles/ulcers in the mouth and lips +/- papular/vesicular lesions on the hand and foot. what is the diagnosis and treatment?

Answer 5

hand, foot, and mouth
supportive (hydration, acetaminophen)

Question 6

contagious systemic, viral prodrome that is also known as rubeola

Answer 6

measles

Question 7

a patient presents with fever, malaise, cough, coryza, and conjuctivitis, headache, abdominal pain, V/D, and myalgias. koplik spots (bluish/white dots) appear followed by erythematous macules along the hairline that spreads to the rest of the body, becoming confluent. what is the diagnosis and treatment (3)?

Answer 7

measles
supportive (hydration, acetaminophen, vit A)

Question 8

what should we monitor in a patient with measles? (3)

Answer 8

pneumonia
otitis media
encephalitis

Question 9

when does recovery from measles generally occur?

Answer 9

7-10 days of onset

Question 10

how should we prevent measles?

Answer 10

two doses of MMR vaccine

Question 11

if a patient has measles, what should we do for their sibling? (2)

Answer 11

vaccinate with 72 hours of exposure or IgG within 6 days