All patients should have their airway, breathing, and circulation assessed and, if necessary, attended to. All patients should have at least 2 large-bore intravenous lines established and be placed on cardiorespiratory monitoring. If peripheral intravenous access cannot be established, an intraosseous line is a reasonable temporary measure while awaiting central line placement. All patients should have an ECG performed immediately upon arrival. If possible, a history with a focus on the time of ingestion and amount ingested is key.
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