Nerve block

Nerve block or neural blockade is a procedure in medicine and anesthesia whereby a nerve is blocked by the application of a drug or anesthetic. This prevents the nerve from transmitting signals and thus induces a loss of sensation or numbness.

Types of Nerve Blocks

There are several types of nerve blocks, including:

• Peripheral nerve blocks: These are often used in orthopedic procedures on the extremities. They can be used for both pain management and anesthesia.
• Neuraxial blocks: These include epidural and spinal anesthesia, which are commonly used in childbirth and surgeries involving the lower body.
• Sympathetic nerve block: This type of block is used to manage chronic pain conditions, such as complex regional pain syndrome.

Procedure

The procedure for a nerve block involves the injection of a local anesthetic near the nerve that is causing pain. The anesthetic works by numbing the area and blocking the nerve signals. This can provide temporary relief from pain.

Risks and Complications

Like any medical procedure, nerve blocks carry some risks. These can include infection, bleeding, and nerve damage. In rare cases, a nerve block can cause complications such as allergic reactions or respiratory distress.

See Also

• Anesthesia
• Pain management
• Local anesthetic

Nerve block Resources
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