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

  • 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] 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]

  • Myelopathy

    […] 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] Clinical hyperreflexia was tested at the MCP joint, using a six-axis load cell.[ncbi.nlm.nih.gov] 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]

  • 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] Tibialis Anterior (TA) cutaneous reflex (CR) activity evoked following cutaneous stimulation of the plantar (Pl) surface (Pl-TA CR) has demonstrated hyperreflexia and damage[ncbi.nlm.nih.gov]

  • Spastic Paraplegia

    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] […] reduction of nerve transmission giving rise to various clinical manifestations such as paresthesias, loss of vibratory sensation, and proprioception.Severe weakness, spasticity, clonus[explainmedicine.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] 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]

  • Subacute Transverse Myelitis

    There was no clonus. Deep tendon reflexes were traced in the upper extremities, 2 at the knees, 2 at the ankles. Toe signs were silent. There was no spine tenderness.[egms.de] An areflexic cystometrogram tended to change to a low compliance bladder, followed by detrusor hyperreflexia or a normal cystometrogram.[nature.com] No ankle clonus was observed. Babinski’s sign was the plantar response. The anal sphincter tone was intact.[karger.com]

  • Tetanus

    Tetanus is a life-threatening neurological syndrome characterised by tonic muscle spasms and hyperreflexia, caused by the exotoxin of Clostridium tetani , a gram-positive[bestpractice.bmj.com]

  • Spinal Cord Compression

    Bilateral Babinski's sign and ankle clonus were positive. He had no bladder or bowel dysfunction.[ncbi.nlm.nih.gov] Physical examination revealed hyperreflexia and a T11 sensory level. MRI revealed a pseudomeningocele compressing the thoracic spinal cord.[ncbi.nlm.nih.gov] Some of these signs include very brisk reflexes when tapping the correct spot below the knee cap, a bouncing reflex when the ankle is stretched called clonus, and unsteadiness[backpain-guide.com]

  • 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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