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.

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, 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.

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.

2025年1月17日 · The medicines, known as anesthetics, are given before and during surgery or other medical procedures. General anesthesia usually uses a combination of medicines given through a vein and inhaled gases. You'll feel as though you're asleep. But general anesthesia does more than put you to sleep.

What are General anesthetics? General anesthetics are medicines that render a patient reversibly unconscious and unresponsive in order to allow surgeons to operate on that patient. General anesthetics are normally administered intravenously or by inhalation by a specialist doctor called an anesthetist who also monitors the patient's vital signs ...

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 help you fall asleep while...

Anesthesia (American English) or anaesthesia (British English) is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes. It may include some or all of analgesia (relief from or prevention of pain), paralysis (muscle relaxation), amnesia (loss of memory), and unconsciousness.

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.

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?