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    Pulmonary Embolism

    Pulmonary Embolism is a topic covered in the 5-Minute Emergency Consult.

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    Emergency Central

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    Basics

    Description

    • The majority of pulmonary embolisms (PEs) arise from thrombi in the deep veins of the lower extremities and pelvis.
    • Thrombi also originate in renal and upper extremity veins.
    • After traveling to lungs, the size of the thrombus determines signs and symptoms.

    Etiology

    • Most patients with PE have identifiable risk factor:
      • Recent surgery
      • Pregnancy
      • Previous deep vein thrombosis (DVT)/PE
      • Stroke or recent paraplegia
      • Malignancy
      • Age >50 yr
      • Obesity
      • Smoking
      • Oral contraceptives
      • Major trauma
    • Hematologic risk factors:
      • Factor 5 Leiden
      • Protein C or S deficiency
      • Antithrombin III deficiency
      • Antiphospholipid antibody syndrome
      • Lupus anticoagulant

    Pediatric Considerations
    • Thromboembolic disease is quite rare.
    • Risk factors in children:
      • Presence of central venous catheter
      • Immobility
      • Heart disease
      • Trauma
      • Malignancy
      • Surgery
      • Infection

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    Citation

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    TY - ELEC T1 - Pulmonary Embolism ID - 307411 ED - Barkin,Adam Z, ED - Barkin,Roger M, ED - Hayden,Stephen R, ED - Rosen,Peter, ED - Schaider,Jeffrey J, ED - Shayne,Philip, ED - Wolfe,Richard E, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307411/all/Pulmonary_Embolism PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -