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11 Possible Causes for Percussion Myotonia Delayed

  • Myotonic Dystrophy

    Abbott D, Johnson NE, Cannon-Albright LA. A population-based survey of risk for cancer in individuals diagnosed with myotonic dystrophy. Muscle Nerve. 2016; 54 :783–5. [ PMC free article : PMC5824717 ] [ PubMed : 27064430 ] Annane D, Moore DH, Barnes PR, Miller RG. Psychostimulants for hypersomnia (excessive[…][ncbi.nlm.nih.gov]

  • Metabolic Syndrome

    Muscle weakness, Percussion-induced myotonia Other features N/A Terato- zoospermia Short stature, Hypocalcemia, Vitamin D resistance Low bone density for age, distal metaphyseal[ncbi.nlm.nih.gov] Gastrointestinal complications N/A N/A Functional mega- esophagus Congenital pyloric stenosis requiring surgery Skeletal muscle N/A N/A N/A Congenital myopathy Developmental delay[ncbi.nlm.nih.gov]

  • 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] May have weakness of neck flexion Distal weakness, especially of intrinsic muscles of the hand, finger flexors, elbow extensors and ankle dorsiflexors (causing foot drop) Percussion[evidencereviewed.com] […] ability to open eyes after forceful closure Dysarthria: say this for me: “West Register Street” Nasogastric feeding tube, suggesting bulbar weakness and dysphagia Tongue myotonia[evidencereviewed.com]

  • Focal Myositis

    Percussion myotonia [Figure 2] was present in all the limbs. There was delayed relaxation of deep tendon reflexes.[jdrntruhs.org]

  • Isaac Syndrome

    […] of a muscle, termed percussion myotonia. 6 Myotonia can also occur in smooth muscles, which may explain symptoms of delayed pupillary response, 7 abdominal pain, diarrhea[now.aapmr.org] Similarly, after forced eye closure there will be delay in eyelid opening. 5 Percussion of thenar eminence, wrist extensors, quadriceps, gastrocnemius or tongue, are classically[now.aapmr.org] […] used to test for percussion myotonia.[now.aapmr.org]

  • Paramyotonia Congenita

    […] of a muscle, termed percussion myotonia. 6 Myotonia can also occur in smooth muscles, which may explain symptoms of delayed pupillary response, 7 abdominal pain, diarrhea[now.aapmr.org] Similarly, after forced eye closure there will be delay in eyelid opening. 5 Percussion of thenar eminence, wrist extensors, quadriceps, gastrocnemius or tongue, are classically[now.aapmr.org] […] used to test for percussion myotonia.[now.aapmr.org]

  • Classic Multiminicore Myopathy

    myotonia Hepatosplenomegaly Osteoporosis Recurrent infections Delayed skeletal maturation High pitched voice Late-onset distal muscle weakness Muscle mounding Polydipsia[mendelian.co] […] nigricans Hypertriglyceridemia Atrial fibrillation Macrocephaly Accelerated skeletal maturation Recurrent bacterial infections Insulin resistance Epidermal acanthosis Hirsutism Percussion[mendelian.co]

  • Lipodystrophy

    Muscle weakness, Percussion-induced myotonia Other features N/A Terato- zoospermia Short stature, Hypocalcemia, Vitamin D resistance Low bone density for age, distal metaphyseal[ncbi.nlm.nih.gov] Gastrointestinal complications N/A N/A Functional mega- esophagus Congenital pyloric stenosis requiring surgery Skeletal muscle N/A N/A N/A Congenital myopathy Developmental delay[ncbi.nlm.nih.gov]

  • Behr Syndrome

    & Moroccan sisters Clinical Birth: Hypotonia Weakness Psychomotor delay Epilepsy Laboratory Serum CK: Mildly high Muscle: Cylindrical spirals Melorheostosis Behr syndrome[neuromuscular.wustl.edu] myotonia Cramps Stiffness: Posteffort Myotonic lid lag Laboratory Muscle: Cylindrical spirals Congenital weakness & Epileptic encephalopathy 1 Epidemiology: 2 French-Antillean[neuromuscular.wustl.edu] Concentric laminated bodies in D-2-hydroxyglutaric aciduria Disease associations: Not specific Myotonia, Cramps, Myalgias Epidemiology: 1 family Inheritance: Dominant Clinical Percussion[neuromuscular.wustl.edu]

  • Congenital Cataract-Hearing Loss-Severe Developmental Delay Syndrome

    […] of a muscle, termed percussion myotonia. 6 Myotonia can also occur in smooth muscles, which may explain symptoms of delayed pupillary response, 7 abdominal pain, diarrhea[now.aapmr.org] Similarly, after forced eye closure there will be delay in eyelid opening. 5 Percussion of thenar eminence, wrist extensors, quadriceps, gastrocnemius or tongue, are classically[now.aapmr.org] […] used to test for percussion myotonia.[now.aapmr.org]

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