Pulseless electrical activity differential diagnosis

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

Differentiating PEA From Other Disorders Causing Cardiac Arrest

• Asystole: In asystole, there is cessation of any cardiac activity and lack of cardiac output on this basis. In PEA, electrical activity is present.
• Ventricular fibrillation: There is no organized electrical activity present. There are only fine fibrillatory waves present in ventricular fibrillation. In PEA, there is organized electrical activity.
• Peripheral arterial disease: The inability to feel a peripheral pulse may be due to severe peripheral arterial disease.