Anesthetic - Wikipedia
They may be divided into two broad classes: general anesthetics, which result in a reversible loss of consciousness, and local anesthetics, which cause a reversible loss of sensation for a limited region of the body without necessarily affecting consciousness.
Anesthesia: What It Is, Side Effects, Risks & Types - Cleveland Clinic
2023年5月30日 · Anesthesia refers to the use of medications (called anesthetics) to keep you from feeling pain during procedures or surgery. Anesthetics temporarily block sensory signals from your nerves at the site of the procedure to the centers in your brain.
Anesthetic | Definition, Types, & History | Britannica
2024年11月8日 · Anesthetic, any agent that produces a local or general loss of sensation, including pain. Anesthetics achieve this effect by acting on the brain or peripheral nervous system to suppress responses to sensory stimulation. This unresponsive state is known as anesthesia.
General anesthesia - Mayo Clinic
2023年2月16日 · General anesthesia brings on a sleep-like state with the use of a combination of medicines. The medicines, known as anesthetics, are given before and during surgery or other medical procedures. General anesthesia usually uses a combination of intravenous medicines and inhaled gasses.
4 Main Types of Anesthesia and How They're Used - Verywell Health
2024年7月30日 · Anesthetics are medications used to achieve anesthesia, and the specialist administering them is called the anesthesiologist. Anesthesia is classified into four main types: general, local, regional, and sedation.
Types of Anesthesia, When They’re Administered, Their Risks - Healthline
2024年7月29日 · There are four types of medical anesthetics used by medical professionals, depending on what type of procedure you are having. Anesthesia is used to reduce pain or …
Anesthesia - National Institute of General Medical Sciences
2024年11月13日 · Modern anesthetics are typically very safe, but there are risks involved, including breathing problems, allergic reactions, and general confusion after surgery. Throughout surgery, anesthesiologists monitor patients’ vital signs to ensure they remain normal and steady.
Anesthesia - Johns Hopkins Medicine
General anesthesia is medicine that is used to put you in a state like deep sleep during surgery. The medicine may be inhaled through a breathing mask or tube. Or it may be given through an IV (intravenous) line.
Anesthesia - MedlinePlus
2023年10月31日 · Anesthesia is the use of medicines to prevent pain during surgery and other procedures. These medicines are called anesthetics. They may be given by injection, inhalation, topical lotion, spray, eye drops, or skin patch. They cause you to have a loss of feeling or awareness. What is anesthesia used for?
Topical, Local, and Regional Anesthesia and Anesthetics
2023年8月28日 · Local anesthetics block nerve impulse transmission in the peripheral and central nervous systems without causing central nervous system depression or altered mental status. The block generally occurs in a stepwise sequence depending on the concentration and volume of the local anesthetic, with autonomic impulses blocked first, then sensory ...