➤ When should you perform an ECG during cardiac arrest?
Obtain an ECG or rhythm strip immediately on arrival and during each two‑minute pulse check in cardiac arrest. It distinguishes shockable rhythms (ventricular fibrillation, pulseless ventricular tachycardia) from non‑shockable rhythms and directs defibrillation, antiarrhythmic therapy, and advanced life support interventions. Continuous monitoring tracks response to treatment.
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