Pulseless electrical activity mandates immediate CPR and correction of underlying causes.
Pulseless electrical activity (PEA) occurs when organised or semi-organised electrical activity of the heart persists but the product of systemic vascular resistance and the increase in systemic arterial flow generated by the ejection of the left ventricular stroke volume is not sufficient to produce a clinically detectable pulse
A 60 year-old man simply looks sick. The diagnosis is unclear. He is about to crash. What are you going to do in the emergency department?