Within a few minutes, the patient is asleep, and the doctor then begins the colonoscopy. According to Dr. Rock, many people are surprised when they wake up and learn their procedure is over. "Patients may not even notice that they have gone out," he says.
Very rarely — in only one or two of every 1,000 medical procedures involving general anesthesia — a patient may become aware or conscious.
While we use general anesthesia in some cases, most of our patients get monitored anesthesia care now for colonoscopies. That means going to sleep in one room and then waking up in the recovery area, in terms of what you might remember about it.
For most patients, a sedative is given in intravenous form to help relax and minimize any discomfort during the procedure. But did you know that using a sedative is optional? In many countries, sedation-free colonoscopies are the norm. Patients are alert and engaged during the procedure.
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There's no mad gastroenterologist tying patients down and torturing them. In fact, patients are sedated prior to the procedure so no pain is felt during a colonoscopy. Patients have a range of options from a mild sedative to general anesthesia.
Everyone's experience is different, but you can rest assured that the colonoscopy itself is painless. You will receive anesthesia so that you don't feel pain or remember the procedure. Most centers use medications that stop working quickly. That means you shouldn't feel any lingering side effects.
What if I've taken all my preparation and am still passing solid stool on the day of my exam? In this case, your procedure will need to be rescheduled. You may be prescribed a different preparation for your next procedure. Please call the triage nurse to reschedule your procedure with a different preparation.
Most colonoscopies take only 15-30 minutes to complete. As a reminder, most patients recall feeling minimal to no pain or discomfort during the procedure. After the colonoscopy is done, you will be observed in a recovery area until the effects of the anesthesia wear off.
Thinner and more flexible endoscopes may cause less stretching of the mesentery, which is one of the principal sources of pain during colonoscopy.
Will a colonoscopy prep keep you up all night? You make wake up once or twice to go to the bathroom, but it shouldn't keep you up all night. However, some people are required to wake in the middle of the night to take a second dose of laxatives at least four to six hours before their procedure.
Despite the medications commonly used in anesthesia allow recovery in a few minutes, a delay in waking up from anesthesia, called delayed emergence, may occur.
Once you start to “wake up” from sedation, you may find yourself feeling a little sluggish and bloated. For relief from your cramps during the first hours after your colonoscopy, you'll be encouraged to pass gas, and—until you stop feeling groggy—your doctor may recommend you limit your activity.
When you go in for a colonoscopy, you usually receive some type of anesthesia to help you manage the discomfort. These days, more people are receiving deep sedation with propofol for the colonoscopy, which lets them fall asleep rapidly—and quickly wake up.
We conclude that dreaming is a common experience during sedation for colonoscopy, with one in four patients in our study reporting dreaming. The dreams were simple, short and not related to the procedure. Younger patients and those who received higher propofol doses reported dreaming more commonly.
After the exam, it takes about an hour to begin to recover from the sedative. You'll need someone to take you home because it can take up to a day for the full effects of the sedative to wear off. Don't drive or make important decisions or go back to work for the rest of the day.
You can start eating regular foods the next day. Keep eating light meals if you are not able to pass gas and still feel bloated. For the first 24 hours after your procedure: Do not drink alcohol.
After the test, you may be bloated or have gas pains. You may need to pass gas. If a biopsy was done or a polyp was removed, you may have streaks of blood in your stool (feces) for a few days. Problems such as heavy rectal bleeding may not occur until several weeks after the test.
You must drink only clear liquids before your colonoscopy. Be sure to drink at least two tall glasses (at least 8-10 ounces each) of clear sports drink with electrolytes prior to your colonoscopy.
Pain after the procedure: Some people have stomach pain after a colonoscopy. A person may also experience mild irritation to their rectum, gas, or other digestive problems. These symptoms are usually mild and tend to go away in a few days.
Loops or angulation in the colon are possibly the most common patient-related source of difficulty. Some bends require additional skill to navigate. Loops, particularly in the sigmoid colon, can result in loss of control of the endoscope as well as patient discomfort.
Mild abdominal pain/discomfort immediately after a colonoscopy is not rare, occurring anywhere between 2.5% to 11% of the cases [2]. Though it may have a host of etiologies, it is most commonly a result of air insufflation, endoscope looping, and/or manual pressure maneuvers used during a colonoscopy.