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30 Possible Causes for Clonus, Hyperreflexia, Increased Patellar Tendon Reflex

  • Stroke

    Focal seizures were distinguished clinically from clonus, spasms, and recurrent strokes. 8 9 Electroencephalograms were not routinely performed.[doi.org] An examination showed decreased strength on the right side, with hyperreflexia and an up-going plantar response.[ncbi.nlm.nih.gov]

  • Myelopathy

    Physical examination revealed significant increase in deep tendon reflexes in the lower extremities and clonus. Hoffman's sign was positive in the left upper extremity.[ncbi.nlm.nih.gov] Clinical hyperreflexia was tested at the MCP joint, using a six-axis load cell.[ncbi.nlm.nih.gov] […] with radicular symptoms - 16% had pure myelopathic symptoms - 23% had a combination of myelopathic and radiculopathy - upper motor neuron findings such as hyper-reflexia, clonus[wheelessonline.com]

  • Cervical Myelopathy

    Motor weakness in the extremities Gait difficulties ("spastic gait," hesitant and jerky) Myelopathic or "upper motor neuron" findings such as spasticity, hyperreflexia, clonus[emoryhealthcare.org] BACKGROUND: Gait dysfunction associated with spasticity and hyperreflexia is a primary symptom in patients with compression of cervical spinal cord.[ncbi.nlm.nih.gov] Increased tension in the leg muscles (Hyperreflexia) Accentuated reflexes of the knee and ankle Forced extension of the ankle may cause the foot to beat up and down rapidly (clonus[dr-bertagnoli.com]

  • Spastic Paraplegia

    This case showed spasticity and hyperreflexia with pathological reflexes and ankle clonus as well as muscle weakness in all extremities.[ncbi.nlm.nih.gov] The knee-jerk is excessive and ankle-clonus is easily obtained.[henriettes-herb.com] On neurological examination, he showed hyperreflexia, spasticity, and weakness in the lower extremities and bilateral Babinski reflexes.[ncbi.nlm.nih.gov]

  • Subacute Transverse Myelitis

    No ankle clonus was observed. Babinski’s sign was the plantar response. The anal sphincter tone was intact.[karger.com] An areflexic cystometrogram tended to change to a low compliance bladder, followed by detrusor hyperreflexia or a normal cystometrogram.[nature.com] Deep tendon reflexes were generalized hyperreflexia. No ankle clonus was observed. Babinski’s sign was the plantar response. The anal sphincter tone was intact.[karger.com]

  • Cervical Spinal Cord Tumor

    Coming down the stairs or stepping off a curb will reveal ankle clonus felt as “vibrations” by patient.[clinicaladvisor.com] Below that level, Upper Motor Neuron (UMN) findings are those of spasticity, hyperreflexia with upgoing Plantar reflex also called Babinski’s sign With Extradural lesion ([clinicaladvisor.com] In patients with severe spasticity, ankle clonus is prominent. High cervical cord lesions may produce quadriparesis with diaphragmatic weakness.[clinicaladvisor.com]

  • Spinal Cord Injury

    Upper motor neurone signs in the lower limbs (Babinski's sign: up-going plantar reflex, hyperreflexia, clonus, spasticity).[patient.info] Spasticity is characterized as hyperreflexia and hypertonicity as a result of damage to the supraspinal tracts in the aftermath of SCI.[ncbi.nlm.nih.gov] […] commonly following SCI and other types of upper motor neuron injury. [31] Spasticity causes resistance to passive motion of the limbs, exaggerated deep tendon reflexes, clonus[emedicine.com]

  • Spinal Cord Lesion

    (spinal cord concussion): - usually invovles 24-72 hour period of paralysis, hypotonia, & areflexia, and at its conclusion there may be hyperreflexia, hypertonicity, and clonus[wheelessonline.com] Abstract Autonomic hyperreflexia is a serious peripartum complication associated with spinal cord lesions.[ncbi.nlm.nih.gov] Hyperreflexia ( Babinski, clonus) HypertoniaMain Menu Content Menu Legend Exit 15. R L Lesion of the right lateral spinothalamic tract at L1 produces what impairment?[slideshare.net]

  • Spinal Cord Infarction

    His motor and sensory exams and reflexes are normal although he does exhibit mild finger clonus. The patient was referred for an MRI of the cervical spine.[radsource.us] Hyperreflexia may follow initial symptoms, and a positive Babinski reflex may be elicited.[symptoma.com] Initially areflexia is present due to spinal shock but, hyperreflexia and spasticity appear later The most common form is anterior spinal artery syndrome.[sci-recovery.org]

  • Strychnine Poisoning

    The ten main symptoms of strychnine poisoning: Initial symptoms are tightness and twitching of the muscles, agitation and hyperreflexia. Stiffness of the body. Lockjaw.[chm.bris.ac.uk] Needless to say, a “thumbnail-sized” portion is worrying… Muscle spasms and rigidity generally resolve within 24 hours, although ongoing hyperreflexia and increased tone may[lifeinthefastlane.com] […] taste Clonic-tonic convulsions Opisthotonos: arching back Emprosthotonos: arching forward Pleurothotonus: bending sideward Risus Sardonicus: Evil fixed grin Dilated pupils Hyperreflexia[medpreponline.com]

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