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One Quick Question: How Does CPAP Work? – Video

ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.

Video at a Glance

  • The provider must understand continuous positive airway pressure (CPAP).
  • Inspiration happens due to negative pressure as the diaphragm drops.
  • The vena cava is compressed with blood returning to the heart.
  • Under positive pressure, the vena cava is NOT compressed, and the preload decreases.
  • The provider should use the rescue pod to return negative pressure.
  • CPAP reduces negative pressure to decrease pressure in the heart.

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ACLS Certification Association (ACA) uses only high-quality medical resources and peer-reviewed studies to support the facts within our articles. Explore our editorial process to learn how our content reflects clinical accuracy and the latest best practices in medicine. As an ACA Authorized Training Center, all content is reviewed for medical accuracy by the ACA Medical Review Board.

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