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  2. Brachial plexus block - Wikipedia

    en.wikipedia.org/wiki/Brachial_plexus_block

    Brachial plexus block is a regional anesthesia technique that is sometimes employed as an alternative or as an adjunct to general anesthesia for surgery of the upper extremity. This technique involves the injection of local anesthetic agents in close proximity to the brachial plexus , temporarily blocking the sensation and ability to move the ...

  3. Constriction ring syndrome - Wikipedia

    en.wikipedia.org/wiki/Constriction_ring_syndrome

    Constriction ring syndrome (CRS) is a congenital disorder with unknown cause. Because of the unknown cause there are many different, and sometimes incorrect, names. It is a malformation due to intrauterine bands or rings that produce deep grooves in (most commonly distal) extremities such as fingers and toes.

  4. Brachial plexus - Wikipedia

    en.wikipedia.org/wiki/Brachial_plexus

    The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).This plexus extends from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and into the armpit, it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand.

  5. Radiculopathy - Wikipedia

    en.wikipedia.org/wiki/Radiculopathy

    Brachial plexus. C6 and C7 nerves affected most frequently. C6 and C7 nerves affected most frequently. Radiculopathy most often is caused by mechanical compression of a nerve root usually at the exit foramen or lateral recess .

  6. Erb's palsy - Wikipedia

    en.wikipedia.org/wiki/Erb's_palsy

    Erb's palsy is a paralysis of the arm caused by injury to the upper group of the arm's main nerves, specifically the severing of the upper trunk C5–C6 nerves. These form part of the brachial plexus, comprising the ventral rami of spinal nerves C5–C8 and thoracic nerve T1.

  7. Brachial plexus injury - Wikipedia

    en.wikipedia.org/wiki/Brachial_plexus_injury

    A brachial plexus injury (BPI), also known as brachial plexus lesion, is an injury to the brachial plexus, the network of nerves that conducts signals from the spinal cord to the shoulder, arm and hand. These nerves originate in the fifth, sixth, seventh and eighth cervical (C5–C8), and first thoracic (T1) spinal nerves, and innervate the ...

  8. Flail limb - Wikipedia

    en.wikipedia.org/wiki/Flail_limb

    Flail limb can occur in cases of traumatic injury to the brachial plexus or in people with motor neuron diseases such as amyotrophic lateral sclerosis. [1] [2] Amputation of the affected limb and replacement with a prosthesis is one option for treatment. Amputation does not reduce pain experienced. [1] [3]

  9. Avulsion injury - Wikipedia

    en.wikipedia.org/wiki/Avulsion_injury

    In brachial plexus avulsions, the brachial plexus (a bundle of nerves that communicates signals between the spine and the arms, shoulders, and hands) is torn from its attachment to the spinal cord. One common cause of brachial plexus avulsions is when a baby's shoulders rotate in the birth canal during delivery, which causes the brachial plexus ...