They'll look through the scope, or at a video screen if there is a camera attached. They'll insert a scope with a light on it into your mouth. You’ll lie faceup, and your doctor will tilt your head slightly back. You might get plain oxygen from a mask for 2 or 3 minutes before the procedure starts to raise the level in your blood. This is so your body doesn’t fight against the insertion by gagging or other reflexes. They also typically give you a drug to paralyze your airway. What to ExpectĮxcept in rare cases, your doctor will give you drugs to partly or completely knock you out before they put the tube in. To keep this from happening, the tube has an air bladder that balloons up to seal off your airway from your stomach. Food from your stomach could get into your lungs (aspiration) if you vomit, or if it flows backward from your stomach. In this case, it's likely that you haven’t fasted to empty your stomach as you would for a planned procedure. You may have an illness or injury that’s quickly getting worse, or that weakens reflexes in your airway.Ī doctor may intubate you if you need emergency surgery that calls for general anesthesia. Your doctor might want to do it because you’re unconscious. Sometimes, even if you appear to be breathing normally and your blood oxygen levels look fine, you may need intubation. This helps get rid of CO2 so that it doesn't build up in your blood and make it more acidic (respiratory acidosis). If you don’t get enough, you can pass out, have brain damage, and even die. That’s because breathing provides oxygen that every cell in your body needs. Your doctor also may do it if you have an injury or illness that makes it hard to breathe. That’s why your anesthesiologist (the doctor who puts you to sleep for surgery) might intubate you. Intubation lets a machine breathe for you. The drugs that put you to “sleep” during surgery ( general anesthesia) may also hold down your breathing. It helps keep your oxygen and CO2 at healthy levels. Then it helps you breathe out air that’s full of carbon dioxide (CO2). A machine called a ventilator pumps in air with extra oxygen. Your doctor puts a tube down your throat and into your windpipe to make it easier to get air into and out of your lungs. Intubation is a procedure that's used when you can't breathe on your own.
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