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89 Possible Causes for Limb Weakness, Percussion Myotonia

  • Myotonic Dystrophy

    Percussion myotonia or myotonia of grasp or both is usually present if looked for.[pediatrics.aappublications.org] Patient-reported perceived changes (worse/stable) in balance, walking, lower-limb weakness, stair-climbing and hand weakness were used as criteria.[ncbi.nlm.nih.gov] In the clinical neurological examination, there was a facial but no limb muscle weakness or atrophy. Ankle jerks were weak.[bmcresnotes.biomedcentral.com]

  • Muscular Dystrophy

    Myotonia (prolonged muscle contraction) occurs spontaneously or is elicited by voluntary activity or by mild stimulation, such as tapping on a muscle (percussion myotonia)[neuropathology-web.org] The symptoms of FSH dystrophy may appear during childhood with severe facial and limb weakness or develop slowly and gradually in adulthood with progressive difficulty closing[kennedykrieger.org] […] typically elicited by percussion of the thenar eminence with a tendon hammer—‘percussion myotonia’.[doi.org]

  • Limb-Girdle Muscular Dystrophy

    Patients with myotonic dystrophy type 1 may present subtle myotonia and it may be necessary to search for tenar muscle percussion myotonia 15.[doi.org] Limb-girdle muscular dystrophies (LGMD) are a group of clinically and genetically heterogeneous diseases characterized by weakness and wasting of the pelvic and shoulder girdle[ncbi.nlm.nih.gov] PATIENT CONCERNS: A 25-year-old woman was admitted to our department as the limb weakness progressively worsened.[ncbi.nlm.nih.gov]

  • Paramyotonia Congenita

    They experience neither grip nor percussion myotonia during warm weather, whereas myotonia is provoked by cold. Her younger son has no symptoms.[ncbi.nlm.nih.gov] Abstract: Hyperkalemic periodic paralysis (hyperPP) is characterized by attacks of flaccid limb weakness (which may also include weakness of the muscles of the eyes, throat[strongbridgebio.com] The limb girdle muscular dystrophy syndromes can be defined by severity, distribution of weakness, age of onset, sex distribution and other characteristics and many of these[books.google.com]

  • Myopathy

    Myotonia can be elicited by percussion, occurs by impaired relaxation of muscle due to repetitive depolarization of the muscle.[doi.org] A 47-year-old man with liver cirrhosis developed limb weakness after liver transplantation.[ncbi.nlm.nih.gov] Background Immune-mediated necrotising myopathies are characterised clinically by the subacute onset of proximal limb weakness, accompanied by elevated creatinine kinase levels[ncbi.nlm.nih.gov]

  • Generalized Myotonia of Thomsen

    On examination he showed percussion myotonia. There was no grip myotonia or eyelid myotonia. Nerve conduction studies were normal.[jnnp.bmj.com] Peter Bauer, Paola Giunti, Jun-Suk Kang, Prof Thomas Klockgether, Sophie Tezenas du Montcel Recessive variants of MuSK are associated with late onset CMS and predominant limb[rd-neuromics.eu] Secondary outcomes: (1) clinical relaxation time; (2) electromyographic relaxation time; (3) stair test; (4) presence of percussion myotonia; and (5) adverse events.[cochrane.org]

  • Oculopharyngodistal Myopathy

    myotonia: delayed relaxation following percussion of the thenar eminence Grip myotonia: delayed relaxation of firm handshake Reflexes depressed Gait: high steppage (foot[evidencereviewed.com] There is considerable variability in expression, particularly in the degree of limb weakness which often appears by the fifth decade.[disorders.eyes.arizona.edu] Atypical presentations, such as absence of limb weakness in long-term follow-up in 9, proximal predominant weakness in 4, and asymmetric ptosis in 3 patients, were observed[ncbi.nlm.nih.gov]

  • Distal Myopathy

    "Action" or grip myotonia may be seen. However, percussion myotonia is rare. There may be an associated neuropathy.[neuroweb.us] […] and lower limb weakness.[ncbi.nlm.nih.gov] Muscle hypertrophy may be seen Grip and percussion myotonia can be seen Tx : Mexiletene.[sites.google.com]

  • Autosomal Dominant Limb-Girdle Muscular Dystrophy Type 1D

    Myotonia (prolonged muscle contraction) occurs spontaneously or is elicited by voluntary activity or by mild stimulation, such as tapping on a muscle (percussion myotonia)[neuropathology-web.org] LGMD1D is characterized predominantly by limb-girdle weakness and may also show a bulbar symptom in some cases.[ncbi.nlm.nih.gov] His younger brother also had similar proximal lower limbs weakness; however he committed suicide at age 31 years.[bmcresnotes.biomedcentral.com]

  • Myotonia Congenita

    The diagnosis were based upon family history, clinical findings of percussion myotonia, had grip myotania, prominent muscular hypertrophy and confirmed by electromyographic[ncbi.nlm.nih.gov] Carbamazepine monotherapy completely controlled his choreoathetosis and significantly relieved his limb weakness and stiffness.[ncbi.nlm.nih.gov] Distribution/anatomy Time course Onset/age Myotonia is usually mild, approximately 50% may have percussion myotonia.[rrnursingschool.biz]

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