The standard checks for nasogastric tubes happen after placement. The opportunity DoubleCHEK is built around is spotting a problem during it.

CO₂ can be detected when a tube tip is near the airway — an early warning, before feeding is ever considered.

It’s a shift from “is it safe to feed?” to “is it safe to keep going?” — more information, at the moment a clinician can still act on it.

Always follow your local protocol and the instructions for use.