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62 Possible Causes for Muscle Weakness, Percussion Myotonia

  • Paramyotonia Congenita

    They experience neither grip nor percussion myotonia during warm weather, whereas myotonia is provoked by cold. Her younger son has no symptoms.[] weakness but no stiffness.[] Also of diagnostic importance are the myotonic reactions inducible at room temperature, such as percussion myotonia, active myotonia and paradoxical myotonia.[]

  • Generalized Myotonia of Thomsen

    On examination he showed percussion myotonia. There was no grip myotonia or eyelid myotonia. Nerve conduction studies were normal.[] As well, after time a permanent muscle weakness can be appear.[] Secondary outcomes: (1) clinical relaxation time; (2) electromyographic relaxation time; (3) stair test; (4) presence of percussion myotonia; and (5) adverse events.[]

  • Schwartz-Jampel Syndrome

    Further investigation showed some typical facial features of the syndrome, percussion myotonia and abnormal EMG pattern characterized by continuous muscle activity at rest[] 554 Case 89A A Woman with Muscle Weakness and a Skin Rash 559 Case 90 A Man with Muscle Pains 567 Case 91 An Older Woman with Progressive Muscle Weakness 572 Case 92 An HIVInfected[] He had diffuse muscular hypertrophy and stiffness with eyelid myotonia, tongue myotonia, percussion myotonia at thenar eminence [Figure 2] and forearm muscles.[]

  • 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)[] It causes progressive weakness in muscles of the face, arms, legs, and around the shoulders and chest.[] […] typically elicited by percussion of the thenar eminence with a tendon hammer—‘percussion myotonia’.[]

  • Myotonia Congenita

    The diagnosis were based upon family history, clinical findings of percussion myotonia, had grip myotania, prominent muscular hypertrophy and confirmed by electromyographic[] A 56-year-old woman was referred to a neurogenetic clinic with a history of stiffness and transient weakness.[] Distribution/anatomy Time course Onset/age Myotonia is usually mild, approximately 50% may have percussion myotonia.[]

  • Myotonic Dystrophy

    Percussion myotonia or myotonia of grasp or both is usually present if looked for.[] On neurological examination the patient was presented with muscle weakness, muscle atrophy (in face and sternocleidomastoid muscles), features of myotonia and apocamnosis[] Often, the disorder is mild and only minor muscle weakness or cataracts are seen late in life.[]

  • 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.[] However, most patients in the current family showed distal as well as proximal limb weakness rather than weakness of toe and finger flexor muscles that were typical features[] Progressive proximal muscle weakness began again at age 8 years. Serum CK was 14,910 IU/L. She was wheelchair-bound by age 12.[]

  • Congenital 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)[] KEYWORDS: Collagen; Fibrosis; IGF-1; Mesenchymal; Mouse; Muscular dystrophy; Skeletal muscles; Weakness[] The patients developed exacerbation of muscle weakness ranging from paralysis to loss of head control.[]

  • Myoadenylate Deaminase Deficiency

    "Action" or grip myotonia may be seen. However, percussion myotonia is rare. There may be an associated neuropathy.[] She had slight muscle weakness in her facial and upper extremities, and severe muscle weakness and atrophy in lower extremities more marked in the proximal portions.[] […] on hands, brachial biceps and deltoids (triggered by percussion), and difficulty in starting gait due to myotonia.[]

  • Autosomal Dominant Limb-Girdle Muscular Dystrophy Type 1H

    myotonia Skeletal muscle fibrosis Abnormality of the musculature Anemia Splenomegaly Cardiomyopathy Behavioral abnormality Depressivity Hepatosplenomegaly X-linked inheritance[] 45 F Myopathic pattern 2139 6 Muscle weakness; calf hypertrophy Scoliosis II:13 42 39 M Normal 1600 10.7 Muscle weakness III:3 24 20 F NA NA 2300 11.9 Muscle weakness Mildly[] Affiliated tissues include skeletal muscle, and related phenotypes are centrally nucleated skeletal muscle fibers and muscle weakness Disease Ontology : 12 An autosomal dominant[]

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