Epidural anaesthesia

Epidural Anaesthesia

Epidural anaesthesia (pronunciation: /ˌɛpɪˈdjʊərəl ˌænɪsˈθiːzɪə/), also known as epidural block, is a form of anaesthesia that involves the injection of an anaesthetic drug into the epidural space of the spinal cord.

Etymology

The term "epidural" is derived from the Greek words "epi", meaning "upon" or "over", and "dura", referring to the tough outermost layer of the meninges, the membranes surrounding the spinal cord and brain. "Anaesthesia" comes from the Greek words "an", meaning "without", and "aesthesis", meaning "sensation".

Procedure

The procedure is performed by an anaesthesiologist who inserts a needle through the skin, between the vertebrae and into the epidural space. A small tube (catheter) is then threaded through the needle and the needle is removed, leaving the catheter in place. The anaesthetic drug is then injected through the catheter, numbing the lower body.

Uses

Epidural anaesthesia is commonly used in childbirth to relieve the pain of labour, and in certain types of surgery, particularly those involving the lower body or legs. It can also be used to manage chronic pain conditions.

Related Terms

• Spinal anaesthesia
• Local anaesthesia
• General anaesthesia
• Anaesthesiologist
• Epidural space

See Also

• Anaesthesia
• Pain management
• Childbirth
• Surgery

External links

• Medical encyclopedia article on Epidural anaesthesia
• Wikipedia's article - Epidural anaesthesia

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