BLOCK ANAESTHESIA Meaning and
Definition
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Block anesthesia is a type of regional anesthesia that involves the administration of anesthetic agents to interfere with nerve signal transmission in a specific area of the body, resulting in a temporary loss of sensation and pain relief. It is achieved by injecting local anesthetic drugs into or around the nerves that supply the targeted area, effectively blocking the conduction of sensory and motor signals from that area to the brain.
The objective of block anesthesia is to numb a specific part of the body, such as a limb or a section of the body, by interrupting nerve function in that particular region. This technique is commonly utilized during surgical procedures, especially in cases where general anesthesia may carry greater risks or when it is desirable to have the patient awake and able to respond during the operation.
Block anesthesia can be performed through various approaches, such as peripheral nerve blocks, epidural or spinal blocks, and field blocks. Peripheral nerve blocks involve the injection of anesthetic around a specific nerve or group of nerves in the vicinity of the target area. Epidural and spinal blocks involve the injection of the anesthetic agent into the space around the spinal cord, numbing a larger region of the body. Field blocks, on the other hand, target a specific area of the body by injecting the anesthetic solution directly into the surrounding tissues.
Overall, block anesthesia is a technique that selectively numbs a specific part of the body, providing localized pain relief and loss of sensation during surgical procedures without the need for full unconsciousness.
Common Misspellings for BLOCK ANAESTHESIA
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Etymology of BLOCK ANAESTHESIA
The term "Block Anaesthesia" is derived from the combination of two words: "block" and "anaesthesia".
The word "block" in this context refers to the technique used in regional anaesthesia where a specific area of the body is made numb by injecting a local anaesthetic near the cluster of nerves responsible for transmitting pain signals from that area. This technique, also known as nerve block, creates a temporary interruption or "block" in the transmission of pain signals.
The term "anaesthesia" is derived from the Greek words "an" (meaning without) and "aisthēsis" (meaning sensation or feeling). Anaesthesia refers to the condition of temporary loss of sensation or feeling, particularly the absence of pain, which can be induced by various methods, including drugs or regional techniques like a nerve block.
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