Erythema infectiosum: Difference between revisions

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==Background==
==Background==
*Caused by Parvovirus B19
*Caused by Parvovirus B19
*May precipitate aplastic crisis in patients with sickle cell disease
**Infection in pregnancy can → [[Hydrops fetalis]] and fetal loss
**Disruption of hematopoiesis
**May precipitate aplastic crisis in patients with sickle cell disease
*Infection in pregnancy
**Hydrops fetalis and fetal loss


==Clinical Features==
==Clinical Features==
[[File:Fifth disease.jpg|thumb|Fifths Disease]]
*Initially mild URI-type symptoms
*Initially mild URI-type symptoms
*"Slapped cheeks" rash
*"Slapped cheeks" rash
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**Rash may recur within 3 week period
**Rash may recur within 3 week period
*Associated symptoms include fever, HA, sore throat, cough, coryza, N/V
*Associated symptoms include fever, HA, sore throat, cough, coryza, N/V
[[File:Fifth disease.jpg|thumb|Fifths Disease]]


==Differential Diagnosis==
==Differential Diagnosis==
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==Diagnosis==
==Diagnosis==
*Normally clinical
*Clinical diagnosis, based on history and physical exam


==Management==
==Management==
*Symptomatic therapy
*Symptomatic
 
==Disposition==
*Discharge
*(Admit if aplastic crisis)


==Complications==
==Complications==
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==See Also==
==See Also==
*[[Pediatric Rashes]]
*[[Pediatric Rashes]]
==References==
<References/>


[[Category:Derm]]
[[Category:Derm]]
[[Category:ID]]
[[Category:ID]]
[[Category:Peds]]
[[Category:Peds]]

Revision as of 02:28, 11 August 2015

Background

  • Caused by Parvovirus B19
    • Infection in pregnancy can → Hydrops fetalis and fetal loss
    • May precipitate aplastic crisis in patients with sickle cell disease

Clinical Features

  • Initially mild URI-type symptoms
  • "Slapped cheeks" rash
    • Abrupt appearance on day 3-4
      • Spares eyelids and chin
    • Lasts 4-5 days
  • Macular erythema develops on trunk/limbs 2 days after appearance of facial rash
    • distinctive aspect of rash: faces with central clearing, giving a reticulated or lacy appearance
    • May last 1 week
    • Rash may recur within 3 week period
  • Associated symptoms include fever, HA, sore throat, cough, coryza, N/V
Fifths Disease

Differential Diagnosis

Pediatric Rash

Diagnosis

  • Clinical diagnosis, based on history and physical exam

Management

  • Symptomatic

Disposition

  • Discharge
  • (Admit if aplastic crisis)

Complications

See Also

References