What is anesthesia?
Anesthesia refers to procedures or the use of medications. (called anesthetics) to prevent you from feeling pain during surgery. Anesthetics temporarily block sensory signals from your nerves to the centers of your brain at the site of the procedure. Different types of anesthesia work in different ways. Some anesthetic medications numb parts of your body. Other anesthetics numb your brain so you can sleep during more invasive surgeries.
There are several types of anesthesia
It is used to numb a particular part of the body Used: It numbs a small part of your body. Providers typically use local anesthesia for less invasive procedures such as cataract surgery or skin biopsies. You stay awake during the procedure.
Anesthesia: This "Twilight sleep" Also called sedation, sedation relaxes you to the point that you doze off but can wake up if necessary to communicate. Examples of procedures often performed with sedation include wisdom tooth extraction, cardiac catheterization, and some colonoscopies. Although you will not be completely unconscious, you will be less likely to remember the procedure.
Prevents pain over a large part of the body: Regional anesthesia prevents pain in a large area, such as a limb or anything below your chest. Examples include an epidural to reduce labor pain or an arm block for arm surgery. Providers may administer regional anesthesia in addition to sedation, or they may administer it alone.
Used to numb the head or chest:
strong>This treatment puts you to sleep and makes you insensitive to pain or other stimuli. Providers use general anesthesia for more invasive procedures or surgeries on the head, chest, or abdomen.
This is how surgical procedures were performed in the past
Previously, gases like nitrous oxide or vapors of volatile liquids like ether or chloroform were used during surgery.
In 1872, French surgeon Pierre-Cyprian Ore introduced injectable anesthetics.
Cocaine began to be used as a local anesthetic in 1884.
The use of synthetic agents began in the mid-20th century. ;
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