block anesthesia
Học thuậtThân thiện
Definition
Noun: A type of regional anesthesia that numbs a specific, limited area of the body by applying an anesthetic agent directly to a nerve or group of nerves that supply sensation to that area.
Usage
This is a technical medical term used in surgical and clinical contexts. It describes a procedure to prevent pain in a defined region (a "block") without rendering the patient unconscious.
Examples
- The surgeon opted for block anesthesia for the hand surgery, targeting the nerves in the patient's wrist.
- Block anesthesia is often preferred for dental procedures on a single tooth.
- The anesthesiologist administered a block anesthesia to the patient's shoulder before the operation.
Advanced Usage
- Nerve block: This is a common synonym and a more specific term for the same procedure. "The patient received a for the knee arthroscopy."
- The term can be modified to specify the location or type of nerve targeted, e.g., , , . However, these are considered distinct, more specific procedures.
Variants and Related Words
- Nerve block (n): The most common direct synonym.
- Conduction anesthesia (n): A broader technical term for anesthesia achieved by blocking nerve conduction.
- Regional anesthesia (n): The general category of anesthesia affecting a large region of the body, which includes block anesthesia as a subtype.
- Anesthetic block (n): An alternative phrasing.
Synonyms
- Nerve block
- Conduction block
- Regional nerve blockade
Antonyms
- General anesthesia: Anesthesia that induces a state of controlled unconsciousness.
- Local anesthesia: Typically refers to numbing a very small, superficial area (e.g., via injection into tissue), though block anesthesia is technically a type of local/regional anesthesia.
Noun
- anesthesia of an area supplied by a nerve; produced by an anesthetic agent applied to the nerve