Pulseless electrical activity laboratory findings

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

Overview

Laboratory testing should be ordered to rule out hyperkalemia, hypoxia and acidosis (ABG), exsanguination (hematocrit).

Laboratory Findings

• Hyperkalemia should be ruled out
• A stat arterial blood gas will provide information regarding the presence of hypoxia and acidosis
• A stat hematocrit can also be checked on the arterial blood gas to evaluate the patient for exsanguination