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110 Possible Causes for Brisk Deep Tendon Reflexes, Muscle Hypotonia

  • Motor Neuron Disease

    deep tendon reflexes, and absence of sensory deficits.[ncbi.nlm.nih.gov] Loss of lower motor neurons causes denervation atrophy of muscle, manifested by severe hypotonia, weakness, and inability to breathe.[neuropathology-web.org] Symptoms may include hypotonia (severely reduced muscle tone), diminished limb movements, lack of tendon reflexes, fasciculations, tremors, swallowing and feeding difficulties[web.archive.org]

  • Spinocerebellar Ataxia Type 13

    Among these subjects, four had brisk deep tendon reflexes, one of whom also had mild lower extremity spasticity and a slight tremor.[link.springer.com] hypotonia.[cerebellumandataxias.biomedcentral.com] deep tendon reflexes, and loss of the sense of vibration. [2] [3] SCA13 is caused by changes or mutations in the KCNC3 gene and it is inherited in an autosomal dominant manner[rarediseases.info.nih.gov]

  • Chromosome 17p13.1 Deletion Syndrome

    Studies and imaging: syringomyelia, ventricular septal defect, decreased median nerve motor nerve conduction velocity; renal abnormalities, and median nerve distal compound muscle[gene.sfari.org] […] reported. - Yuan B, et al. (2015) yuan_15_DD_discovery_cases-caseBAB2703 yuan_15_DD_discovery_cases-caseBAB6966 yuan_15_DD_discovery_cases-caseBAB8300 Infancy: infantile hypotonia[gene.sfari.org]

  • Pelizaeus-Merzbacher Disease

    Salient features on examination were impaired cognition, pendular nystagmus, axial and appendicular hypotonia with preserved antigravity movements, brisk-deep tendon reflexes[annalsofian.org] The difficulties with movement can include spasticity (stiff or rigid muscles), hypotonia (floppiness), choreoathetosis (extra movements) and ataxia (unsteadiness/loss of[contact.org.uk] hypotonia appears alongside and apart from neurological signs we can mention scoliosis as well.[kattivatrends.com]

  • Adult Spinal Muscular Atrophy

    All patients exhibited proximal weakness with amyotrophy, fasciculations, slow progression disease with hypoactive deep tendon reflex, except two patients with brisk reflex[neurology.org] The examination may show all the characteristic findings of a lower motor neuron disease, namely absent/decreased reflexes, hypotonia, flaccid paralysis and muscle fasciculations[symptoma.com] Ocular and facial muscles and cerebral function are preserved. There may be deformities of limbs/joints at birth from in utero hypotonia.[patient.info]

  • Metachromatic Leukodystrophy

    Contrary to the infantile form, deep tendon reflexes are usually brisk. There is also a milder adult form.[merckmanuals.com] The first symptom is usually an unsteady gait due to muscle hypotonia.[78stepshealth.us] Some MLD Symptoms: Walking difficulties Hypotonia: low muscle tone Muscle spasms and cramps Strabismus : cross-eyed Spasticity: increased reflexes Nystagmus: involuntary eye[leukodystrophyresourceresearch.org]

  • Spinocerebellar Ataxia Type 1

    His deep tendon reflexes were brisk, but plantars were bilaterally flexor. The sensory system was normal. On cerebellar examination, there was a mild dysarthria.[ruralneuropractice.com] […] twitch 0002380 Gait imbalance Abnormality of balance Abnormality of equilibrium Imbalanced walk [ more ] 0002141 Generalized hypotonia Decreased muscle tone Low muscle tone[rarediseases.info.nih.gov] , where muscles atrophy.[en.wikipedia.org]

  • Globoid Cell Leukodystrophy

    On examination, she had of grade III coma, hypertonicity in all four limbs with bilaterally up-going plantars and brisk deep tendon reflexes.[ijri.org]

  • Dysequilibrium Syndrome

    Deep tendon reflexes in the lower extremities tend to be brisk. Microcephaly (-3 to -4 SD below the mean) has been reported in a few affected individuals. Life span.[ncbi.nlm.nih.gov] Clinical features include cerebellar ataxia, early-onset cataracts, mild to severe cognitive impairment, hypotonia, and muscle weakness.[ncbi.nlm.nih.gov] Clinical features include severe, progressive neurodegenerative disorder characterized by normal development until age one year, followed by onset of ataxia, muscle hypotonia[ncbi.nlm.nih.gov]

  • Weaver Syndrome

    Neurological examination showed increased tone bilaterally in the lower limbs, with upward plantar reflexes and symmetrical but brisk deep tendon reflexes.[jmg.bmj.com] Other common symptoms include hypertonia (increased muscle tone, tight muscles) as well as hypotonia (decreased muscle tone, "floppy" muscles) and a hoarse low-pitched cry[encyclopedia.com] Low or weak muscle tone 0001252 Overlapping toe Overlapping toes Overriding toes [ more ] 0001845 Prominent fingertip pads Prominent finger pads 0001212 Radial deviation[rarediseases.info.nih.gov]

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