Pulseless electrical activity classification

Resident Survival Guide

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classification

True PEA

There are no cardiac contractions despite electrical activity.

Pseudo PEA

There are very weak cardiac contractions present that fail to generate a blood pressure compatible with systemic perfusion and life despite electrical activity.

Post Defibrillation PEA

Following defibrillation, there can be a period of electromechanical dissociation where electrocardiographic complexes do not generate a pulse. As a result of post defibrillation PEA, it is often useful to continue CPR for up to one minute following restoration of a perfusing rhythm.