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  2. Nerve conduction study - Wikipedia

    en.wikipedia.org/wiki/Nerve_conduction_study

    The nerve conduction study is often combined with needle electromyography. The Department of Health and Human Services Inspector General recently identified the use of NCSs without a needle electromyography at the same time a sign of questionable billing. [9] The nerve conduction study consists of the following components:

  3. Small fiber peripheral neuropathy - Wikipedia

    en.wikipedia.org/wiki/Small_fiber_peripheral...

    Nerve conduction studies and electromyography are commonly used to evaluate large myelinated sensory and motor nerve fibers, but are ineffective in diagnosing small fiber neuropathies. [14] Quantitative sensory testing (QST) assesses small fiber function by measuring temperature and vibratory sensation. Abnormal QST results can be attributed to ...

  4. Nerve conduction velocity - Wikipedia

    en.wikipedia.org/wiki/Nerve_conduction_velocity

    To be specific, motor nerve conduction studies of the Median, Ulnar, and peroneal muscles should be performed, as well as sensory nerve conduction studies of the Ulnar and Sural nerves. [ 9 ] In patients with ALS, it has been shown that distal motor latencies and slowing of conduction velocity worsened as the severity of their muscle weakness ...

  5. Sensory neuronopathy - Wikipedia

    en.wikipedia.org/wiki/Sensory_neuronopathy

    Sensory neuronopathy is diagnosed clinically, based on signs and symptoms, along with nerve conduction studies. [1] Ataxia in the upper and lower extremities at onset or at full development, asymmetric distribution of sensory loss, sensory loss not being restricted to the lower limbs (as in length dependent axonal polyneuropathy) are specific ...

  6. Lambert–Eaton myasthenic syndrome - Wikipedia

    en.wikipedia.org/wiki/Lambert–Eaton_myasthenic...

    Chest X-ray showing a tumor in the left lung (right side of the image) The diagnosis is usually made with nerve conduction study (NCS) and electromyography (EMG), which is one of the standard tests in the investigation of otherwise unexplained muscle weakness. EMG involves the insertion of small needles into the muscles.

  7. Critical illness polyneuropathy - Wikipedia

    en.wikipedia.org/wiki/Critical_illness_poly...

    Respiratory difficulties can be caused by atrophy of the muscles between the ribs (intercostals), atrophy of the diaphragm muscle, and degeneration of the nerve that stimulates the diaphragm (phrenic nerve). [8] This can prolong the time it takes to wean a person off of a breathing machine (mechanical ventilation) by as much as 7 – 13 days. [9]

  8. Acute motor axonal neuropathy - Wikipedia

    en.wikipedia.org/wiki/Acute_motor_axonal_neuropathy

    Electromyographic studies and nerve conduction studies show normal motor conduction velocity and latency with decreased amplitude of compound muscle action potentials. Pathologically, it is a noninflammatory axonopathy without demyelination. [3] Antibodies attack the coating of the motor neurons without causing inflammation or loss of myelin ...

  9. Neuromechanics - Wikipedia

    en.wikipedia.org/wiki/Neuromechanics

    The use of EMG to identify nervous systems disorders is known as a nerve conduction study (NCS). Nerve conduction studies can only diagnose diseases on the muscular and nerve level. They cannot detect disease in the spinal cord or the brain. In most disorders of the muscle, nerve, or neuromuscular junction, the latency time is increased. [12 ...