nerve-conduction-velocity: Causes & Reasons

Possible Causes for nerve-conduction-velocity

In demyelinating diseases, the nerve conduction velocity is reduced. [lecturio.com]

Examination of nerve conduction velocity revealed sensory-motor axonal polyneuropathy. The patient was immediately treated with thiamine. [ncbi.nlm.nih.gov]

METHODS: Sural nerve amplitude potential (AMP) and sural nerve conduction velocity (CV) was measured in 68 participants with ≥ 50 years T1D duration and 71 controls (from [ncbi.nlm.nih.gov]

Median Neuropathy

Nerve conduction velocities revealed bilateral median neuropathy consistent with carpal tunnel syndrome (CTS). [ncbi.nlm.nih.gov]

Median motor distal latencies were prolonged in 38%, and median sensory nerve conduction velocities were slowed in 40%. [ncbi.nlm.nih.gov]

Conclusion: high ABI was correlated with the low nerve conduction velocity value Kata Kunci : ankle brachial index (ABI), nerve conduction velocity (NCV), peripheral diabetic [etd.repository.ugm.ac.id]

Carpal Tunnel Syndrome

Nerve conduction velocity and electromyography carried out few days after Al-hijamah confirmed improved voluntary motor unit morphologies in both hands. [ncbi.nlm.nih.gov]

However, the ultrasound-guided injection group showed greater improvements in the Semmes-Weinstein Monofilament test, sensory nerve conduction velocity, and digit-4 comparison [ncbi.nlm.nih.gov]

Typical symptoms of CTS manifested after the electrical injury, and a nerve conduction velocity test confirmed the presence of severe CTS in the left hand. [ncbi.nlm.nih.gov]

Tarsal Tunnel Syndrome

All of the patients demonstrated both a positive tinel sign and an abnormal motor nerve conduction velocity measurement. [ncbi.nlm.nih.gov]

Nerve conduction velocities and distal latencies were determined in a constant temperature room and the findings compared with a group of 35 normal, age-matched subjects. [ncbi.nlm.nih.gov]

Electrodiagnostic studies such as nerve conduction velocity (EMG/NCV) testing may also prove useful. [thepodiatrygroup.com]

Diabetic Polyneuropathy

In univariate analysis, the CAVI showed significant associations with sural sensory nerve conduction velocity and median F-wave conduction velocity. [ncbi.nlm.nih.gov]

RESULTS: In the RDNS, the most frequent abnormal attributes (≤2.5th/≥97.5th percentile) are: fibular motor nerve conduction velocity (MNCV; 26.3%); sural sensory nerve conduction [ncbi.nlm.nih.gov]

In addition, it also had negative impact on the sensory and motor nerve conduction velocity. [ncbi.nlm.nih.gov]

Ischemic Peripheral Neuropathy

Nerve conduction velocities in sciatic nerves ipsilateral to the shunt fell by 25 to 30% within 2 weeks after creation of the shunt and did not recover for up to 10 months [onlinelibrary.wiley.com]

conduction velocity, as a sign of demyelination of large peripheral fibers, and reduced amplitude of nerve compound action potential, as a sign of fiber axonopathy. 9, 11 [anesthesiology.pubs.asahq.org]

Nerve conduction studies in patients with IMN show axonal loss and reduced motor and sensory nerve conduction velocities in the radial, ulnar, and median nerves. [jpgmonline.com]

Distal Hereditary Motor Neuropathy Type 1

As a dividing value between both forms, nerve conduction velocities of 38 m/s are used by some, and nerve conduction velocities of 42 m/s are used by others ( Harding and [medlink.com]

Nerve conduction velocities are usually less than 20 m/s. [academlib.com]

conduction velocities. [bcbst.com]

Distal Spinal Muscular Atrophy Type 5

CMT1 is the dominant form of the condition in which nerve conduction velocities are slow, and is much more common that CMT2. [rarediseases.org]

People with early-onset CMT1B tend to have very slow nerve conduction velocities, with speeds 50 m/s). [cmtausa.org]

Some point mutations result in a surprisingly mild phenotype with late onset and relatively faster nerve conduction velocities. [emedicine.medscape.com]

Ulnar Neuropathy

They assessed the relationship between ulnar nerve cross-sectional area (CSA) and motor nerve conduction velocity (MNCV). [ncbi.nlm.nih.gov]

Nerve conduction velocity (NCV) is a test to see how fast electrical signals move through a nerve. [medlineplus.gov]

There was no significant correlation between cross-sectional area and absolute motor nerve conduction velocities across the elbow, motor nerve conduction velocities slowing [ncbi.nlm.nih.gov]

Ulnar Nerve Entrapment

EMG revealed clear compression in the ulnar groove, with conduction block and a large drop in nerve conduction velocity. [ncbi.nlm.nih.gov]

Thirteen ulnar nerves on the left side and 12 nerves on the right of 14 men and six women were studied for motor nerve conduction velocity. [ncbi.nlm.nih.gov]

The most reliable finding is slowing of the ulnar across-elbow motor nerve conduction velocity to less than 50 m/sec while recording from the abductor digiti minimi muscle [ncbi.nlm.nih.gov]

Guillain-Barré Syndrome

Although no abnormalities were observed on brain and spinal magnetic resonance imaging and electroencephalography, peripheral nerve conduction velocity tests failed to evoke [ncbi.nlm.nih.gov]

[…] study showed a low compound muscle action potential (3.3 mV) with a normal distal motor latency (14.2 ms) and a low motor nerve conduction velocity (34.3 m/s) in the tibial [ncbi.nlm.nih.gov]

conduction velocities are greatly reduced, and sensory nerve conduction time is often slow o evidence of acute denervation of muscle Serum Creatine Kinase o Elevated or normal [slideshare.net]

Alcoholic Neuropathy

Minimum nerve conduction velocity, which was studied in 11 nerves, was lowered in eight cases. [ncbi.nlm.nih.gov]

conduction velocities in the innervating lateral popliteal nerves. [ncbi.nlm.nih.gov]

Nerve conduction velocity and amplitude, Neurotoxicology and Teratology, 16, 1, (95), (1994). [doi.org]

Peroneal Nerve Paralysis

If the symptom does not get any better in few months, surgery is required to decompress the nerve compression. [8] Nerve conduction velocity [ edit ] Nerve conduction velocity [en.wikipedia.org]

[…] and decreases in nerve conduction velocities are used to confirm sensory and motor deficits, respectively; - prognosis; - w/ partial nerve palsy, > 80% will recover completely [wheelessonline.com]

A new nerve conduction velocity study and electromyography revealed also signs of reinnervation. Muscle force was recovered and sensation was normalised. [oandplibrary.org]

Peroneal Nerve Compression Neuropathy

A new nerve conduction velocity study and electromyography revealed also signs of reinnervation. Muscle force was recovered and sensation was normalised. [oandplibrary.org]

Slowing of peroneal nerve conduction velocities at the fibula head may or may not be detected. [neupsykey.com]

Radial Tunnel Syndrome

There is the Nerve Conduction Velocity (NCV) and the Electromyogram (EMG). [carpaltunnelhq.com]

The nerve conduction velocity (NCV) test measures the speed of an electrical impulse as it travels along the radial nerve. [lakesidephysio.com]

In the NCV the speed (or the frequency rate) of electric pulses passing through the radial nerve is measured. [carpaltunnelhq.com]

Hereditary Areflexic Dystasia

Since motor nerve conduction velocity (MNCV) is closely related to nerve myelination, we compared type-1 A patient MNCVs versus non-A CMT1 patient MNCVs, in 57 CMT1 A patients [doi.org]

conduction velocity. [accessanesthesiology.mhmedical.com]

DSS is characterized by motor and sensory neuropathy with very slow nerve conduction velocities, increased cerebrospinal fluid protein concentrations, hypertrophic nerve changes [abcam.com]

Charcot-Marie-Tooth Disease Type 2S

Neuropathies of the CMT2 group are characterized by signs of axonal degeneration in the absence of obvious myelin alterations, normal or slightly reduced nerve conduction [uniprot.org]

CMT1F ✓ ✓ variable nerve conduction velocities, ranging from demyelinating to axonal neuropathy PDK3 CMTX6 ✓ predominantly axonal conduction velocity with variable mild [invitae.com]

CMT is divided into several major types: Type 1 is characterized by demyelination and by a significantly slowed motor median nerve conduction velocity (NCV). [flybase.org]

Déjerine-Sottas Disease

Electromyography generally reveals decreased nerve conduction velocity. [scielo.br]

conduction velocity. [ncbi.nlm.nih.gov]

Sural nerve biopsy showed axons surrounded by a thin myelin sheath and concentrically arranged cytoplasmic processes of Schwann cells forming onion-bulbs. [ncbi.nlm.nih.gov]

Charcot-Marie-Tooth Disease

Sensory nerve conduction velocity ranged from 30.3 m/s in the sural nerve to 52.8 m/s in the median nerve. [ncbi.nlm.nih.gov]

On the other hand, the motor nerve conduction velocity of the median nerve was significantly lower in CMT1C compared to the HNPP group. [ncbi.nlm.nih.gov]

Nerve conduction studies showed an intermediate range of motor nerve conduction velocities. [ncbi.nlm.nih.gov]

Hypertrophic Interstitial Neuropathy

Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials. [merckmanuals.com]

Electromyography generally reveals decreased nerve conduction velocity. [scielo.br]

Natural history varies: Some patients are asymptomatic and have only slowed conduction velocities (detected on nerve conduction studies); others are more severely affected [merckmanuals.com]

Metachromatic Leukodystrophy

The cranial magnetic resonance imaging (MRI) revealed bilateral symmetrical demyelination but the nerve conduction velocities were normal in all three cases. [ncbi.nlm.nih.gov]

Each child had significant slowing of motor nerve conduction velocity (NCV). [ncbi.nlm.nih.gov]

Nerve conduction velocity studies and evoked-potential studies were markedly abnormal. [ncbi.nlm.nih.gov]

Mononeuritis

After learning the patient's history, a physician may perform nerve conduction velocity tests and EMG, or take a nerve biopsy. How is Mononeuritis Multiplex treated? [aanem.org]

Diagnosis can be done in conjunction with nerve conduction velocity tests and electromyogram. Alternatively, a nerve biopsy can be taken. [news-medical.net]

Distal Hereditary Motor Neuropathy Type 5A

conduction velocities. [bcbst.com]

Electrophysiology: nerve conduction studies show: Low conduction velocities ( Normal or only mildly slowed conduction velocities (>38 m/s) and reduced action potential amplitudes [patient.info]

[…] dHMN) are one of the major categories of peripheral inherited neuropathies and are characterized by length-dependent, slowly progressive motor neuropathies with variable nerve [mayomedicallaboratories.com]

Toxic Polyneuropathy

Subclinical cases of 'minimal' chronic neuropathy, characterised by alterations of a neurogenic type in the EMG without a reduction of motor nerve conduction velocity, were [ncbi.nlm.nih.gov]

Physical examination Neurological evaluation Electromyography Nerve conduction velocity test Blood test for toxins Urine test for toxins TREATMENT AND THERAPY (Not all treatments [peripheralneuropathycenter.uchicago.edu]

Worsening of the clinical picture, with further lowering of nerve conduction velocity, was noted in some cases up to four months after removal from the toxic environment. [ncbi.nlm.nih.gov]

Distal Spinal Muscular Atrophy

RESULTS: In all three patients sensory nerve conduction velocities (NCV) were normal in all extremities. [ncbi.nlm.nih.gov]

HMSN I is associated with abnormal nerve conduction velocities and nerve hypertrophy, features not seen in HMSN II. [bioportfolio.com]

A longitudinal study showed steady progression in nerve conduction velocity and disability, and severity could be predicted based on nerve conduction velocity abnormalities [emedicine.medscape.com]

Inherited Neuropathy

Results of nerve conduction velocity, computer-assisted sensory examination, periosteal nociception, and morphometric and graded teased-fiber evaluation of cutaneous nerves [ncbi.nlm.nih.gov]

conduction velocities. [bcbst.com]

Group one was characterized by slow nerve conduction velocities and demyelinating neuropathy. [en.wikipedia.org]

Diabetic Peripheral Neuropathy

The outcomes measured were as follows: the clinical efficacy, median motor nerve conduction velocities (NCVs) (MNCVs), median sensory NCV (SNCV), peroneal MNCV, peroneal SNCV [ncbi.nlm.nih.gov]

conduction velocity of the sural nerve as compared with Group-C. [ncbi.nlm.nih.gov]

RESULTS: Motor nerve conduction velocity and sensory nerve conduction velocity in the DNC group were significantly lower than in the N and DM groups (all P CONCLUSION: Anti-GS-ab [ncbi.nlm.nih.gov]

Familial Progressive Polyneuropathy

Group one was characterized by slow nerve conduction velocities and demyelinating neuropathy. [en.wikipedia.org]

Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials. [merckmanuals.com]

Physical examination Neurological evaluation Nerve conduction velocity tests Electromyography A muscle biopsy or nerve biopsy may confirm the diagnosis Genetic testing is [foundationforpn.org]

Autosomal Dominant Hereditary Sensory and Autonomic Neuropathy

Patients have relatively normal nerve conduction velocities but low amplitude sensory nerve action potentials and compound muscle action potentials. [merckmanuals.com]

conduction velocities. [bcbst.com]

As it is an axonopathy, average nerve conduction velocity is usually not affected. 8. [slideshare.net]

Hereditary Sensory Neuropathy

conduction velocities (marked slowing of motor nerve conduction velocity uniformly in all peripheral nerves in type I, near normal velocities in type II and profound slowing [annalsofian.org]

conduction velocity (>38 m/s) and nerve biopsy evidence of degeneration and regeneration 5. [radiopaedia.org]