Date Published

June 9, 2025

Updated For

ALS PCS Version 5.2

#SWORBHPTips

What is hypoxia?

  • When the body is deprived of oxygen at the tissue level

What are some examples of causes?:

  • Impaired ventilation (Opioid overdose)
  • Obstructed ventilation (Anaphylaxis)
  • Medical conditions (Asthma, COPD, Pneumonia)
  • Cellular-Level Hypoxia (Carbon Monoxide Poisoning)

What to know about it:

  • When tissues don’t receive adequate oxygen over prolonged periods, this can result in organ failure and lead to cardiac arrest
  • Management focuses on airway patency, oxygenation, ventilation, and perfusion

Pre-Hospital Treatment of Hypoxia:

Airway Patency

Oxygenation

Ventilation

Perfusion

BLS Maneuvers

O2 application

Bag Valve Mask

High quality CPR

OPA

PEEP valve

NPA

SGA

ETT (ACPs)

Suction

When Should You Leave Early?

  • Hypoxia can be treated effectively in the pre-hospital setting! In most cases, you should treat as appropriate on scene.
  • Leave early when:
    • The airway cannot be secured (e.g. FBAO, severe facial swelling or burns, etc.)
    • You are unable to adequately manage the airway and ventilation on scene

In Summary

  • Hypoxia can lead to death due to inadequate oxygenation of tissues in the body
  • For the most part, hypoxia can often be effectively treated and managed in the pre-hospital setting
  • Consider very early transport when airway management is ineffective or unable to be established

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