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General anesthesia is a combination of medications that put you in a sleep-like state before a surgery or other medical procedure. Under general anesthesia, you don't feel pain because you're completely unconscious. General anesthesia usually uses a combination of intravenous drugs and inhaled gasses (anesthetics).

General anesthesia is more than just being asleep, though it will likely feel that way to you. But the anesthetized brain doesn't respond to pain signals or reflexes.

An anesthesiologist is a specially trained Doctor Who specializes in anesthesia. While you're under anesthesia, the anesthesiologist monitors your body's vital functions and manages your breathing.

How you prepare

General anesthesia relaxes the muscles in your digestive tract and airway that keep food and acid from passing from your stomach into your lungs. Always follow your doctor's instructions about avoiding food and drink before surgery.

Fasting is usually necessary starting about six hours before your surgery. You may be able to drink clear fluids until a few hours prior.

Your doctor may tell you to take some of your regular medications with a small sip of water during your fasting time. Discuss your medications with your doctor.

You may need to avoid some medications, such as aspirin and some other over-the-counter blood thinners, for at least a week before your procedure. These medications may cause complications during surgery.

Some vitamins and herbal remedies, such as ginseng, garlic, Ginkgo biloba, St. John's wort, kava and others, may cause complications during surgery. Discuss the types of dietary supplements you take with your doctor before your surgery.

If you have Diabetes, talk with your doctor about any changes to your medications during the fasting period. Usually you won't take oral diabetes medication the morning of your surgery. If you take insulin, your doctor may recommend a reduced dose.

If you have sleep apnea, discuss your condition with your doctor. The anesthesiologist or anesthetist will need to carefully monitor your breathing during and after your surgery.

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vibhu mishra

Lvl 2
4y ago

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Continue Learning about Chemistry

What is the chemical symbol for anaesthetic gas?

There are various types of anaesthetic gas: Nitrous Oxide- N2O Sevoflurane- CF3CH(CF3)OCH2F Halothane -CF3CHBrCl Desiflurane -CF3CHFOCHF2 Enflurane- CHF2OCF2CHClF


Who invented chloroform as a anaesthetic?

Salomon Nathans Dentz Jr is reputed to be the first person to use anaesthetic. The invention of anaesthetic, also called narcosis, is not that old. The first successful operation under anaesthetic was carried out in 1847. On that occasion chloroform was used. This method was slightly more effective than the ether that had previously also been used as an anaesthetic. Chloroform was used mainly by dentists to alleviate the patient's pain. For this purpose special anaesthetic masks were invented. The oldest known anaesthetic masks is that of the Amsterdam dentist Salomon Nathans Dentz Jr. Under the mouth and nose sections are sponges which hold the chloroform. This slowly anaesthetises the patient and keeps him under narcosis. Once the patient is unconscious the flap can be removed from the mouth and the operation can begin.


Which gas is used as anaesthetic?

Nitrous oxide is one of the most common anaesthetic gases. It is sometimes known by it's layman term, Laughing Gas This is probably due it's numbing effects and occassional causation of random giggles from the people it affects.


What is chloralform?

Sounds like you're asking about chloroform, which is CHCl3; one carbon atom attached to one hydrogen and three chlorines. It was once a popular anaesthetic before its toxicity was realised, and abandoned in favour of ether.


When did James Simpson invent anaesthetics?

James Simpson did not invent anaesthetics. He discovered the anaesthetic properties of chloroform in the mid-19th century, which revolutionized the field of surgery by allowing operations to be performed without causing pain to the patient.

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If flexible cysturethroscopy is done usually under a local anaesthetic, recovery will take about 15-30 minutes, and if done under a general anaesthetic a few hours.


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To prevent pain! A general will put you to sleep and a local will just numb the area treated.


Will they operate if you have a cold?

It's highly unlikely - as you may experience breathing difficulties under general anaesthetic.


Do you stop breathing under general anaesthetic?

yes that is why u are put on a machine called a ventilator it breathes for u


Why can't you eat after an epidural?

It makes you higher risk of having a caesarean section and occasionally during a caesarean section, if there are complications, you need a general anaesthetic, where you are completely put to sleep. When under general anaesthetic, you have no gag reflex and could be sick and choke on it and die, but if you have an empty stomach, this won't happen