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283 Possible Causes for Brisk Deep Tendon Reflexes

  • Toxic Thyroid Adenoma

    Toxic thyroid adenoma presenting as hypokalemic periodic paralysis is extraordinarily rare. We describe a 26-year-old Japanese man who suffered from acute and painful muscle weakness of extremity in the morning. Physical examination showed a left anterior neck mass and laboratory tests revealed hypokalemia during[…][]

  • Paroxysmal Exertion-Induced Dyskinesia

    Brisk, deep tendon reflexes, developmental delay and intellectual disability (most frequently mild) may also be observed.[]

  • Spinocerebellar Ataxia Type 5

    Non-cerebellar signs such as facial myokimia, resting tremor, writer's cramp, impaired vibration sense and brisk deep tendon reflexes have been reported in some patients.[]

  • Sotos Syndrome

    Other inconstant clinical abnormalities include scoliosis, cardiac and genitourinary anomalies, seizures and brisk deep tendon reflexes.[] Furthermore, affected children may also manifest with brisk deep tendon reflexes, scoliosis, and seizures.[] Brisk deep tendon reflexes (sometimes even with a few beats of clonus) are often observed.[]

  • Subacute Combined Degeneration of Spinal Cord

    A neurological examination showed generally brisk deep tendon reflexes. Her ability to feel vibrations was reduced, particularly in her lower limbs.[] Tone was increased, and deep tendon reflexes were brisk. She had positive Lhermitte's and gait ataxia. Rom‐berg's sign was present.[] Neurological examination shows pseudoathetosis in upper limbs, loss of joint position and vibration in toes & fingers, deep tendon reflexes were brisk with depressed ankle[]

  • Amyotrophic Lateral Sclerosis Type 4

    ALS4 patients show hyperreflexia, have brisk deep-tendon reflexes and the Babinski sign is present.[] As the disorder progresses, additional components of the nervous system become involved, resulting in spasticity, weakness, muscle wasting, brisk deep tendon reflexes and[] Reflexes are graded on a scale of 0–4: 0 areflexia; 1 reduced reflex; 2 normal; 3 brisk; 4 clonus. Deep tendon reflexes: B biceps; T triceps; P patella; A ankle.[]

  • Neuropathy

    Deep tendon reflexes are usually brisk, and muscle tone is spastic.[]

  • 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.[] 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[] Brisk deep tendon reflexes without spasticity were found in five patients, being confined to the lower limbs in two and to the upper limbs in two.[]

  • Hashitoxicosis

    There were no eye changes typical of Graves' and no peripheral manifestations aside from tachycardia and brisk deep tendon reflexes.[]

  • Peripheral Neuropathy

    Deep tendon reflexes are usually brisk, and muscle tone is spastic.[]

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