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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
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Spinal Nerves: Plexus II01:21

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
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The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
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Finding Electric Potential From Electric Field01:13

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For a system of charges, it is easy to calculate the system's potential because potential is a scalar quantity. However, in some instances where calculating the electric field is more straightforward than finding the potential, the electric field is used to calculate the system's potential. For a positive charge, the electric field is radially outward, and the potential is positive at any finite distance from the positive charge. In such an electric field, the motion away from the...
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Determining Electric Field From Electric Potential01:12

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The electric field and electric potential are related to each other. If the electric field at various points in the region of interest is known, it can be used to calculate the electric potential difference between any two points. Similarly, if the electric potential is known for various points, then it is possible to calculate the electric field.
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Substituents on the benzene ring that direct an incoming electrophile to undergo substitution at the meta position are called meta directors. All meta directors either have a positive charge on the atom directly bonded to the ring or a partial positive charge. These groups function by withdrawing electrons from the ring through inductive and resonance effects. Consider the carbocation intermediates formed upon the addition of an electrophile on nitrobenzene at the...
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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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Methods for In Vivo Biomechanical Testing on Brachial Plexus in Neonatal Piglets
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Direct electrical injury to brachial plexus.

Maksud Mubarak Devale1, Gaurav Jatin Kadakia1, Vicky Ghewarchand Jain1

  • 1Department of Plastic and Reconstructive surgery, Lokmanya Tilak Municipal Medical College and General Hospital, Mumbai, Maharashtra, India.

Indian Journal of Plastic Surgery : Official Publication of the Association of Plastic Surgeons of India
|January 19, 2018
PubMed
Summary

This study details a rare case of isolated brachial plexus injury from electrical trauma without skin burns. Surgical nerve grafting led to significant functional recovery in the patient's upper limb.

Keywords:
Brachial plexopathybrachial plexus injuryelectrical injury

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Area of Science:

  • Neurology
  • Neurosurgery
  • Trauma Surgery

Background:

  • Electrical injuries can cause neurological damage via direct current or thermal conversion.
  • Isolated brachial plexus injury without cutaneous burns is an exceptionally rare presentation.

Observation:

  • A 17-year-old male experienced an electrical injury to the left upper extremity with no external wounds.
  • Immediate complete motor and sensory deficits were observed in the affected limb.

Findings:

  • Partial recovery in shoulder muscles and ulnar nerve distribution occurred at 6 months.
  • Musculocutaneous, median, and radial nerves showed no improvement.
  • Surgical exploration revealed infraclavicular brachial plexus injury.
  • Nerve reconstruction using sural nerve cable grafts was performed.

Implications:

  • Successful nerve grafting can restore function in severe brachial plexus injuries.
  • This case highlights the possibility of internal neurological damage from electrical trauma.
  • Early surgical intervention and nerve reconstruction are crucial for functional recovery.