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Paradoxical emboli

Authoring team

A paradoxical embolus is a venous embolus which has gained access to the left side of the circulation without passage through the pulmonary circulation.

The majority arise from pelvic and leg veins in association with:

  • right-to-left cardiac shunts
  • pulmonary arteriovenous fistulas

Reference

  1. Cowling K. Paradoxical embolism. StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan.2023 Sep 4.

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