192 - Parvovirus infections

Question 1

Parvovirus B19V transmission is __, followed by __ and __.

Answer 1

respiratory
rash
arthralgia

Question 2

Parvovirus is __ and __resistance

Answer 2

heat

solvent detergent inactivation

Question 3

Parvovirus stops ___, leading to a slight decrease in __ in immunocompetent.

Answer 3

erythropoiesis

hemoglobin

Question 4

What are the 5 clinical events common in parvovirus? 5

Answer 4

erythema infectiosum  
polyarthropathy syndrome  
transient aplastic crisis (TAC)
pure cell aplasia = chronic anemia
hydrops fetalis

Question 5

Erythema infectiosum= __ / __

Answer 5

fifth disease / slapped cheek disease

Question 6

Erythema infectiosum starts with a prodrome of __ fever - days post exposure, followed by ___ rash.

Answer 6

low
7-10
macular erythematous

Question 7

Polyarthropathy syndrome is more common in __, specifically in __.

Answer 7

adults

women

Question 8

polyarthropathy syndrome is ___. It affects mostly the __ joints of the __, and sometimes also the __ and __.

Answer 8

symmetric
small
palm
ankle
knees

Question 9

IgM appears during the __ and until the __ day of the aplastic crisis. They may remain present up to _ months post infection.

Answer 9

rash

3

Question 10

IgG appear on the _ day of the disease and stay for __.

Answer 10

7th

life

Question 11

PCR will be higher during __ infection, and __.

Answer 11

acute

aplastic crisis

Question 12

Parvovirus treatment is __.

Answer 12

symptomatic