Parvovirus B19 Flashcards
What is parvovirus B19
It is a DNA virus
What is parvovirus the main cause of?
Erythema infectiosum
What is the clinical presentation of parvovirus in children?
Prodrome of fever, coryza and diarrhoea
Lace-like rash develops across the body
Bright red rash on cheeks
Why is parvovirus B19 sometimes called ‘Slapped cheek syndrome?’
Because of the bright red rash on the cheeks
What is another name for the bright red rash that appears on a child’s cheeks?
Erythema infectiosum
What is the clinical presentation of Parvovirus B19 in adults?
Arthralgia
Acute arthritis
How is parvovirus diagnosed in adults?
Serological testing
How is parvovirus B19 diagnosed in children?
Clinical diagnosis
What is the management of parvovirus B19?
Supportive management
Should a child with parvovirus B19 stay home from school?
School exclusion is unnecessary
Should a child with parvovirus B19 stay home from school?
School exclusion is unnecessary
What can infection with parvovirus in the first 20 weeks of pregnancy cause?
Severe fetal anaemia
What can severe fetal anaemia precipitate?
Hydrops fetalis
Subsequent miscarriage
What are complications of Parvovirus B19?
Pancytopenia in immunosuppressed patients
Aplastic crises in sickle-cell disease
How does Parvovirus B19 cause aplastic crises in sickle-cell patients?
Parvovirus suppresses erythropoiesis
