When using a colorimetric end-tidal carbon dioxide detector, the absence of carbon dioxide in exhaled air after six breaths indicates that the endotracheal tube has been placed ventilator circuit.
Gas samples are aspirated from exhaled gas flow via the ventilator circuit and are read at the monitor.
What is ventilator circuit ?
- The ventilator circuit refers to the tubing that connects the ventilator to a patient, as well as any device that is connected to the circuit tubing.
- The most common devices include heaters and humidifiers, filters, suction catheters, and therapeutic aerosol generators.
- A ventilator is a device that supports or recreates the process of breathing by pumping air into the lungs.
- Sometimes, people refer to it as a vent or breathing machine.
- Doctors use ventilators if a person cannot breathe adequately on their own.
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