Tips for ACLS providers to consider when evaluating hypoxia as a possible cause of cardiac arrest and what we should do to correct it.

Determining hypoxia using a pulse oximeter or arterial blood gasses (ABGs).

A goal of ACLS is to recognize signs of hypoxia and provide timely treatment to prevent an arrest.

Examples of some things that might lead us to think of hypoxia as a cause of cardiac arrest.

Why pulse ox doesn’t give accurate readings during CPR.

Delivering ventilations with near 100% oxygen concentration using a BVM attached to supplemental O2.

Using waveform capnography to assess the quality of CPR.

Providing artificial ventilations with vs without placement of an advanced airway.

Effects of changes to ventilation rates, tidal volume, and O2 concentration.

The danger of excessive ventilation of a patient in cardiac arrest.

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