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General anesthesia is a treatment with certain medicines that puts you into a deep sleep so you do not feel pain during surgery. When you receive these medicines, you will not be aware of what is happening around you.
You will receive general anesthesia in a hospital or outpatient office. Most times, a doctor called an anesthesiologist will put you to sleep. Sometimes, a certified registered nurse anesthetist will take care of you.
The doctor will give you medication into your vein. You may be asked to breathe in (inhale) a special gas through a mask. Once you are asleep, the doctor may insert a tube into your windpipe (trachea) to help you breathe and protect your lungs.
You will be watched very closely while you are asleep. Your blood pressure, pulse, and breathing will be monitored. The doctor or nurse taking care of you can change how deeply asleep you are during the surgery.
You will not move, feel any pain, or have any memories of the procedure because of this medicine.
Why the Procedure Is Performed
General anesthesia is a safe way to stay asleep and pain-free during procedures that would:
You may also be able to have conscious sedation for your procedure. Sometimes, though, it is not enough to make you comfortable. Children may need general anesthesia for a medical or dental procedure to handle any pain or anxiety they may feel.
General anesthesia is usually safe for healthy people. The following people may have a higher risk of problems with general anesthesia:
Ask your doctor about these complications:
Before the Procedure
Always tell your doctor or nurse:
During the days before the surgery:
On the day of your surgery:
After the Procedure
You will wake up tired and groggy in the recovery or operating room. You may also feel sick to your stomach, and have a dry mouth, sore throat, or feel cold or restless until the anesthesia wears off. Your nurse will monitor these side effects. They will wear off, but it may take a few hours. Sometimes nausea and vomiting can be treated with other medicines.
Follow your doctor's recommendations while you recover and care for your surgical wound.
General anesthesia is generally safe because of modern equipment, medications, and safety standards. Most people recover completely and do not have any complications.
Miller RD, Eriksson LI, Fleisher LA, et al. Miller's Anesthesia. 7th ed. Philadelphia, PA: Elsevier Churchill-Livingstone; 2009.
Sherwood ER, Williams CG, Prough DS. Anesthesiology principles, pain management, and conscious sedation. In: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 19th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 16.
Reviewed by:John A. Daller, MD, PhD, Department of Surgery, Crozer-Chester Medical Center, Chester, PA. Review provided by VeriMed Healthcare Network. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Stephanie Slon, and Nissi Wang.
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