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HHV Type 6

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Topic updated on 07/07/15 9:14pm

Human Herpes Virus Type 6
  •  Classification
    • Virus
      • Enveloped
        • Herpesviridae
          • HHV-6
  • Pathogenesis
    • transmission
      • unknown
    • molecular biology
      • replicates in mononuclear cells
Diseases
  • Roseola infantum (exanthem subitum)
    • high fevers for several days that cause seizures
    • followed by a diffuse macular rash 
      • on chest and trunk
Laboratory
  • Characteristics
    • DNA
      • double-stranded
      • linear
    • enveloped
  • Diagnosis is clinical
Treatment
  • Conservative
    • symptomatic treatment only


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Qbank (1 Questions)

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(M1.MC.1) A 2-year-old male is brought to the emergency department by his mother following a seizure. The mother reports that he has had a fever for 3 days prior to convulsing while watching TV. You admit the patient to the hospital for further workup and observation. Three days later, you note the appearance of a papular, non-confluent rash on the patients back, extending superiorly towards the nape of the patient's neck. The abdomen and chest are shown in Figure A. What is the most likely diagnosis? Topic Review Topic
FIGURES: A          

1. Roseola
2. Variola
3. Rubeola
4. Rubella
5. Mumps

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