Pulmonary embolism in pregnancy

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Background

Clinical Features

Differential Diagnosis

Workup

  1. Clinical features suggestive of PE
    1. Bilateral LE Ultrasound
      1. Positive-->treat empirically for PE
      2. Negative-->CTA
        1. CT (with shield) vs. V/Q is roughly equilivalent radiation exposure

D-Dimer

  • D-Dimer MAY BE (no RCTs) used with following limits:
    • 1st trimester: <750 (+50% increase from normal lab threshold)
    • 2nd trimester: <1000 (+100% from normal)
    • 3rd trimester: <1250 (+150% from normal)

Management

Disposition

Admit

See Also

Sources