Parvovirus Infection Pregnancy Flashcards Preview

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Flashcards in Parvovirus Infection Pregnancy Deck (7)
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Adult parvovirus signs/symptoms?

Malaise, arthralgias/myalgias, reticular (lacy) rash

1

Pregnant patients with negative IgG and negative IgM for parvovirus – when to still be concerned?

If less than 20 days from possible exposure; repeat test in 1-2 weeks

2

Parvovirus – type of virus?

Single-stranded DNA virus

3

Fetal hydrops?
Associated with?
Gestational age most at risk?

Excess fluid and body cavities (ascites, skin edema, pericardial effusion, pleural effusion)

Hydramnios

Less than 20 weeks

4

Sinusoidal heart rate pattern? Indicates?

Fetal heart rate pattern with 3-5 sine waves per minute

Severe fetal anemia or asphyxia

5

Patients infected with parvovirus B 19 – how to follow?

Weekly fetal ultrasounds for 10 weeks to assess for fetal hydrops

6

Causes of hydramnios?

1. Mother - Multiple gestation, maternal diabetes
2. Immune - Isoimmunization, fetal non-immune hydrops, syphilis
3. CNS or G.I. malformations
4. Chromosomal abnormalities