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General anesthesia is the use of medications to put the entire body to sleep. It puts you into a state of unconsciousness. During this time, the brain cannot feel any pain.
Doctors trained in anesthesia carefully balance the amount of medication needed by keeping an eye on vital signs.
Reasons for Procedure TOP
General anesthesia is used for a surgery or a procedure that would make you uncomfortable if you were awake. The medications will help to:
Possible Complications TOP
Every precaution is used to prevent complications. Often, medications are given in advance to prevent certain problems, such as nausea and vomiting. Even so, complications may occur. These may include:
Certain factors can increase your risk of complications. Before your procedure, talk to your doctor about ways to manage factors such as:
What to Expect TOP
Prior to Procedure
You will meet with an anesthesiologist before surgery and will be asked about:
Before the procedure:
Description of the Procedure
General anesthesia is broken down into three phases:
Immediately After Procedure TOP
As you wake up, you will be watched closely for any problems. Any pain and discomfort caused by the surgery itself can be managed with medications.
How Long Will It Take? TOP
The length of time anesthesia is needed will depend on the type of surgery.
How Much Will It Hurt? TOP
General anesthesia numbs all pain. Since you are asleep, your brain will not sense any pain signals.
Average Hospital Stay TOP
How long you spend in the hospital depends on:
Post-procedure Care TOP
When you have recovered from anesthesia, you will be sent to a hospital room or home. For the first 24 hours or longer, avoid doing activities that require your attention, such as driving.
During your stay, the hospital staff will take steps to reduce your chance of infection such as:
There are also steps you can take to reduce your chance of infection such as:
Call Your Doctor TOP
It is important for you to monitor your recovery after you leave the hospital. Alert your doctor to any problems right away. If any of the following occur, call your doctor:
If you think you have an emergency, call for emergency medical services right away.
American Association of Nurse Anesthetists
American Society of Anesthesiologists
Canadian Anesthesiologists' Society
Anesthesia—what to expect. Kids Health—Nemours Foundation website. Available at:
General anesthesia. American Pregnancy Association website. Available at:
Pollard R, Coyle J, Gilbert R, Beck J. Intraoperative awareness in a regional medical system: A review of 3 years' data. Anesthesiology. 2007;106(2)269-274.
Sackel DJ. Anesthesia awareness: an analysis of its incidence, the risk factors involved, and prevention. J Clin Anesth. 2006;18(7):483-485.
Last reviewed September 2018 by
EBSCO Medical Review Board
Marcin Chwistek, MD
2545 Park Plaza
Telephone: (615) 344-6060
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