Local Anesthesia: Uses, Types, Process, Risks, and ... - Healthline
网页2018年9月17日 · Local anesthesia refers to using a drug called an anesthetic to temporarily numb a small area of your body. Your doctor might use a local anesthetic before doing a minor procedure,...
Local Anesthesia: Types, Benefits, and Side Effects - WebMD
网页2021年11月9日 · Local anesthesia numbs a part of your body so that your doctor can stitch up a wound or take a biopsy without you feeling any pain. Unlike general anesthesia, where you are put to sleep...
Local anesthesia - Wikipedia
网页A local anesthetic is a drug that causes reversible local anesthesia and a loss of nociception. When it is used on specific nerve pathways (nerve block), effects such as analgesia (loss of pain sensation) and paralysis (loss of muscle power) can be achieved. Clinical local anesthetics belong to one …
Local Anesthesia: Uses, Types, and Risks - Verywell Health
网页2022年10月29日 · Local anesthesia involves using medications (local anesthetics) to numb an area of your body. It's used to prevent pain during and after surgery or other medical procedures, such as dental work or getting stitches. With local anesthesia, you won't feel pain from the procedure but you'll stay awake and aware of what's happening around you.
Local anesthesia: Uses, types, side effects, and safety
网页2024年1月17日 · Local anesthesia prevents pain during procedures by blocking nerves from transmitting pain signals to the brain. The effects of local anesthetic are short-lived, so...
Local Anesthesia - Procedures & Risks | Made for This Moment
网页Local anesthesia, also called local anesthetic, is usually a one-time injection of medicine that numbs a small area of the body. It is used for procedures such as performing a skin biopsy or breast biopsy , repairing a broken bone, or stitching a deep cut.
Clinical use of local anesthetics in anesthesia - UpToDate
网页2024年4月26日 · Local anesthetics (LAs) are used to block transmission of impulses in nerve fibers, to reduce or eliminate sensation. LAs may be used for neuraxial analgesia and anesthesia, peripheral nerve blocks, subcutaneous and tissue infiltration, and topical anesthesia. This topic will discuss the mechanism of action of LAs, the properties that ...
Local Anesthetics: Review of Pharmacological Considerations
网页2012年1月10日 · Local anesthetics interrupt neural conduction by inhibiting the influx of sodium ions through channels or ionophores within neuronal membranes. Normally these channels exist in a resting state, during which sodium ions are denied entry.
Basic pharmacology of local anaesthetics - BJA Education
网页2019年7月17日 · Local anaesthetic agents suppress action potentials in excitable tissues by blocking voltage-gated Na+ channels. In doing so, they inhibit action potentials in nociceptive fibres and so block the transmission of pain impulses.
Topical, Local, and Regional Anesthesia and Anesthetics
网页2023年8月28日 · Local anesthetics work to anesthetize skin, subcutaneous tissue, and peripheral nerves for invasive or surgical procedures. The duration of action of local anesthetics can range from 30 minutes to 12 hours or more.