Presentation
The date of death is given in contemporary Old Style dating, which in present dating is 1727. [westminster-abbey.org]
Peripheral Nerve Hyperexcitability Disorders Disorder Symptoms and Clinical Evaluation Findings Isaacs syndrome Muscle cramps, fasciculations, myokymia, pseudomyotonia, and hyperhidrosis 14 Morvan syndrome Similar physical presentation to Isaacs syndrome [jaoa.org]
Muscle stiffness was a complaint in five; pain was the chief presenting complaint of 19, which started in the calf in all. Irritability, insomnia and a peculiar worried pinched face were present in 12 patients. [neurologyindia.com]
Cases Journal 2009 2 :7952 https://doi.org/10.4076/1757-1626-2-7952 © licensee BioMed Central Ltd. 2009 Received: 25 May 2009 Accepted: 20 July 2009 Published: 8 September 2009 Abstract We present a 37-year-old male subject who presented with burning [casesjournal.biomedcentral.com]
Myokymia may present in a number of neurological disorders involving muscle paralysis. [checkorphan.org]
Entire Body System
- Epilepsy
Many patients referred for an epilepsy evaluation actually suffer from one of many conditions that can imitate it. Imitators of epilepsy are a diverse group that involve consideration of many areas of internal medicine, neurology, and psychiatry. [books.google.com]
All reported patients have moderate-severe neurodevelopmental delays (including motor and speech delays) with some later developing epilepsy and nonepileptic movements (dystonia, dyskinesia, eye movement abnormalities). [n.neurology.org]
All reported patients have moderate-to-severe neurodevelopmental delays, with some developing epilepsy and nonepileptic hyperkinetic movements (dystonia, dyskinesia, and eye movement abnormalities) later. [pedneur.com]
At this moment the only legal treatment is severe epilepsy. I hope this helps somebody else. I would be more interested in hemp oil than actually smoking marijuana. From what research i have done it is apparently more effective. [rareshare.org]
Department of Neurophysiology-Epilepsy Center IRCCS Foundation, “C. Besta” Neurological Institute Milan Italy [link.springer.com]
- Movement Disorder
The most important imitators of epileptic seizures are dizziness, vertigo, syncope, complicated migraine; and somewhat less frequently sleep disorders, transient cerebral ischemia, paroxysmal movement disorders, endocrine or metabolic dysfunction, delirium [books.google.com]
[Case Reports] S Strabismus 2018; 26(3):133-141 Stockman AC, Dieltiëns M, … Cassiman C Ocular neuromyotonia (ONM) is a rare eye movement disorder, presenting as a paroxysmal involuntary spasm of one or more extra-ocular muscles, that can persist for a [unboundmedicine.com]
Neuroanatomical Substrates for Disrupted Eif2alpha Signaling in Dystonia Although dystonia is among the top three most common conditions evaluated in neurological movement disorder clinics, the precise mechanisms for dystonia are poorly understood and [dystonia-foundation.org]
Extrapyramidal and movement disorders Hallervorden-Spatz syndrome /Pantothenate kinase-associated neurodegeneration (PKAN)/neurodegeneration with brain iron accumulation 1 (NBIA 1) Parkinson’s disease Shy-Drager syndrome /Multiple System Atrophy /Striatonigral [ourguidelines.ndis.gov.au]
Familial dyskinesia and facial myokymia (FDFM): a novel movement disorder. Ann Neurol. 2001 Apr. 49(4):486-92. [Medline]. Gardner-Medwin D, Walton JN. Myokymia with impaired muscular relaxation. Lancet. 1969 Jan 18. 1(7586):127-30. [Medline]. [emedicine.medscape.com]
- Feeding Difficulties
To date, children with PURA syndrome have been described with neonatal hypotonia, hypersomnolence, hypothermia, respiratory compromise, and feeding difficulties. [n.neurology.org]
Crossref PubMed Scopus (54) Google Scholar, To date, children with PURA syndrome have been described with neonatal hypotonia, hypersomnolence, hypothermia, respiratory compromise, and feeding difficulties. [pedneur.com]
Congenital myotonic dystrophy is a severe form of this disorder, characterized by neonatal muscle hypotonia, feeding difficulties, respiratory muscle weakness, and an increased incidence of intellectual disability. [icd10data.com]
Respiratory and feeding difficulties may occur shortly after birth. Mild mental retardation, which may be intrinsic to the syndrome or a result of the severity of physical limitations, has been said to be present in about 25% of cases. [bmcneurol.biomedcentral.com]
- Hypothermia
To date, children with PURA syndrome have been described with neonatal hypotonia, hypersomnolence, hypothermia, respiratory compromise, and feeding difficulties. [n.neurology.org]
Crossref PubMed Scopus (54) Google Scholar, To date, children with PURA syndrome have been described with neonatal hypotonia, hypersomnolence, hypothermia, respiratory compromise, and feeding difficulties. [pedneur.com]
- Fishing
Instead, the Campbells took to the Internet, where a search yielded information about CAIR, as well as about Omegaven, an experimental fish oil-based drug developed by Dr. Mark Puder and Kathleen Gura and shown to prevent liver damage. [thriving.childrenshospital.org]
Respiratoric
- Respiratory Insufficiency
Results: A 37 weeks gestation male infant was admitted to the neonatal intensive care unit for further management of hypotonia, respiratory insufficiency, and possible seizure-like activity. [n.neurology.org]
Gastrointestinal
- Constipation
The symptoms of Morvan syndrome include: irregular heartbeats memory loss, confusion, and hallucinations excessive salivation constipation personality changes sleep difficulties Doctors are not sure what causes the body to attack healthy tissue, as it [medicalnewstoday.com]
Stomach pain, constipation, diarrhea, reflux and bloating. If you have hyperkalemic periodic paralysis, you may have paralysis episodes that last from one to four hours. [my.clevelandclinic.org]
[…] with: insomnia personality and mood changes anxiety depression Other symptoms of Issacs’ syndrome that are less common could include: muscle pain weakened reflexes numbness irregular heartbeat excessive salivation memory loss confusion hallucinations constipation [healthline.com]
In slightly fewer than 20% of the cases, a set of symptoms, including arrhythmias, excessive salivation, memory loss, confusion, hallucinations, constipation, personality change and/or sleep disorders, are found. [rarediseases.org]
The third case showed widespread fasciculation, fatigue, insomnia, weight loss, and autonomic dysfunction, including constipation, micturition difficulty, and impotence, with multiple fibrillation, unstable fasciculation, widened motor neuron potential [karger.com]
- Diarrhea
I was healthy and hearty, not on any particular medication and I had no known allergies except periodic diarrhea for a couple of months. [fit.thequint.com]
Narcotics are drugs used to relieve pain, suppress cough, control diarrhea, relieve anxiety, and to induce anesthesia. [myhealthyfeeling.com]
Stomach pain, constipation, diarrhea, reflux and bloating. If you have hyperkalemic periodic paralysis, you may have paralysis episodes that last from one to four hours. [my.clevelandclinic.org]
Gastrointestinal complaints are also frequent and may be severe, often requiring GI specialist, speech therapist, and nutritionist input for dysphagia, constipation or diarrhea. [now.aapmr.org]
- Abdominal Pain
pain, bloating) Mild clinical myotonia Uncommon symptoms: respiratory muscle involvement, dysphagia, dysarthria, irritable bowel-like symptoms (e.g., abdominal pain, bloating), impaired sleep, daytime somnolence Typical location The distal sections of [www-amboss-com.db.rsu.lv]
Other common manifestations include hyperhidrosis, sialorrhea, piloerection, and abdominal pain. Neuropathic pain is a rare finding in patients with IS [4]. In our case, neuropathic pain was the dominant symptom of IS. [karger.com]
Cardiovascular
- Heart Disease
[…] is a congenital myotonia with an autosomal recessive pattern of inheritance. [] Key Result Review of the literature in MEDLINE using the search terms of congenital myotonia or Becker's disease and arrhythmia or heart disease only found 2 articles on Thomsen [semanticscholar.org]
The drug ranolazine (trade name Ranexa) is a FDA-approved medication to treat chest pain in patients with heart disease. Ranolazine has been studied in mice with myotonia congenita. [clinicaltrials.gov]
Family history should include any neuromuscular disease, family history of cataracts and of heart disease or arrhythmias with age of onset. Birth, developmental and academic history is important as well as occupational history and disability status. [now.aapmr.org]
Skin
- Alopecia
Pattern hair loss (also known as androgenetic alopecia (AGA)) is a hair loss condition that primarily affects the top and front of the scalp. [lorientalspa.ma]
Musculoskeletal
- Muscle Cramp
14 Cramp-fasciculation syndrome Exercise intolerance, muscle cramps, and twitching 2 Rippling muscle disease Myotonia and stretch- or percussion-induced episodic rolling movement of muscle 2 Table. [jaoa.org]
Myotonia congenita (MC) is an inherited myopathic disorder that is caused by mutations in the gene encoding the skeletal muscle chloride channel,which can infrequently manifest as generalized muscle cramps or myalgia. [kci.go.kr]
Symptoms, which include progressive muscle stiffness, continuously contracting or twitching muscles, cramping, increased sweating, and delayed muscle relaxation, occur even during sleep or when individuals are under general anesthesia. [autoimmunesociety.org]
Symptoms, which include progressive muscle stiffness, continuous vibrating or twitching muscles, cramping, increased sweating, and delayed muscle relaxation, occur even during sleep or when patients are under general anaesthesia. [medic8.com]
It is caused by rapid bursts of nerve impulses, resulting in muscle twitching, cramping, increase sweating and delayed muscle relaxation. In very few cases speech and breathing may be affected if pharyngeal or laryngeal muscles are involved. [drthindhomeopathy.com]
- Muscle Twitch
Clinical neuromyotonia is a syndrome of persistent muscle stiffness, delayed muscle relaxation, and continuous muscle twitching due to abnormal electrical discharges of motor nerves. [medlink.com]
The commonest feature is muscle twitching which is present in over 90% of cases; facial twitching is seen in a quarter of cases [ 1 ]. Our patient had both limb and facial involvement. [casesjournal.biomedcentral.com]
The sine qua non is myokymia—continuous muscle twitching described as bag-of-worms movements. [merckmanuals.com]
A 17-yr-old Hispanic female presented for evaluation of bilateral lower-extremity hypertrophy and muscle twitching. The patient’s symptoms began approximately 5 yrs before presentation, with muscle twitching and cramps. [journals.lww.com]
- Muscle Spasm
Treatment Anticonvulsants, including phenytoin and carbamazepine, usually provide significant relief from the stiffness, muscle spasms, and pain associated with Isaacs' syndrome. [ninds.nih.gov]
Anticonvulsants, including phenytoin and carbamazepine, usually provide significant relief from the stiffness, muscle spasms, and pain associated with Isaac's syndrome. [medic8.com]
Doctors will typically look for signs that include: continuous muscle contractions or spasms tics or twitches muscle cramps Muscle spasms may affect the hands, feet, or face particularly. [medicalnewstoday.com]
Anticonvulsants usually provide significant relief from the stiffness, muscle spasms, and pain associated with Isaac's syndrome. Plasma exchange may provide short-term relief for individuals with some forms of the acquired disorder. [peninsulamedical.moneomed.com]
- Myopathy
G71.3 Mitochondrial myopathy, not elsewhere classified G71.8 Other primary disorders of muscles G71.9 Primary disorder of muscle, unspecified G72 Other and unspecified myopathies G72.0 Drug-induced myopathy G72.1 Alcoholic myopathy G72.2 Myopathy due [icd10data.com]
Inflammatory myopathies: Only rarely neck extensors are affected in isolation. 4. Metabolic myopathies, such as acid maltase deficiency. Prominent respiratory muscles weakness is an important clue. 5. [practicalneurology.com]
Both types, myotonic dystrophy type I (DM1, Curschmann-Steinert disease) and myotonic dystrophy type II (DM2, proximal myotonic myopathy), are autosomal dominant conditions with CTG trinucleotide repeat and CCTG tetranucleotide repeat expansions respectively [www-amboss-com.db.rsu.lv]
MDA supports ongoing research into the molecular bases of inherited myopathies and to find effective treatments. For more, see Research. [mda.org]
- Muscle Hypotonia
It is characterized by muscle wasting and hypotonia, cataracts, heart conduction defects and endocrinopathies. [icd10data.com]
Neurologic
- Irritability
It can be irritating if on the face or if very strong when patients are trying to sleep, but it doesn't generally come with pain. [crampfasciculationsyndrome.blogspot.com]
•Stay still in one position •Irritable, does not wants to be touched. •Pressure on affected points often helps. •Muscles hard, headache. •Worse from warmth •Better by cold applications. Causticum •Weakness and stiffness in the muscles. [drthindhomeopathy.com]
[…] bowel-like symptoms (e.g., abdominal pain, bloating) Mild clinical myotonia Uncommon symptoms: respiratory muscle involvement, dysphagia, dysarthria, irritable bowel-like symptoms (e.g., abdominal pain, bloating), impaired sleep, daytime somnolence Typical [www-amboss-com.db.rsu.lv]
Morvan’s syndrome is a variant of Isaacs’ syndrome in which the brain is affected, causing personality changes, sleeping disorders and irritability. Causes - Isaac's syndrome Not supplied. Prevention - Isaac's syndrome Not supplied. [checkorphan.org]
Irritability, insomnia and a peculiar worried pinched face were present in 12 patients. CSF was abnormal with mildly raised protein in eight. [neurologyindia.com]
- Seizure
Conclusions: Mutations and deletions in the PURA gene have been shown to result in a distinct phenotype that includes hypotonia, respiratory insufficiency, feeding difficulties, hypersomnolence, and seizures or seizure-like activity in the immediate newborn [n.neurology.org]
There are chapters on epileptic seizures that do not look like typical epileptic seizures, and conversely, apparent epileptic seizures that are not. [books.google.com]
Treatment is directed at managing the signs and symptoms, and may include Immunosuppressive medications and Anti-seizure medications. [autoimmunesociety.org]
Mutations in PURA cause profound neonatal hypotonia, seizures, and encephalopathy in 5q31.3 microdeletion syndrome. Am J Hum Genet. 2014; 95: 579-583 Reijnders M.R.F. Janowski R. Alvi M. et al. [pedneur.com]
People with this disorder may experience personality changes or mood disturbances, memory loss, seizures, hallucinations, or drowsiness. Encephalomyelitis. This syndrome refers to inflammation of the brain and spinal cord. [mayoclinic.org]
- Myoclonus
Opsoclonus-myoclonus. This syndrome is due to dysfunction of the cerebellum or its connections. It can cause rapid, irregular eye movements (opsoclonus) and involuntary, chaotic muscle jerks (myoclonus) in your limbs and trunk. [mayoclinic.org]
The word myokymia was used first more than 100 years ago, when Schultze described continuous, slow, undulating muscular contractions in small muscles of hands and feet. [1] Kny used the term myoclonus fibrillaris multiplex to describe similar clinical [emedicine.medscape.com]
Stiff-person syndrome presents with progressive rigidity and waxing and waning spasm with stimulation, primarily of proximal muscles, sometimes with myoclonus. EMG shows continuous involuntary motor unit activity that is abolished during sleep. [now.aapmr.org]
- Neonatal Hypotonia
Mutations in PURA cause profound neonatal hypotonia, seizures, and encephalopathy in 5q31.3 microdeletion syndrome. Am J Hum Genet. 2014; 95: 579-583 Reijnders M.R.F. Janowski R. Alvi M. et al. [pedneur.com]
To date, children with PURA syndrome have been described with neonatal hypotonia, hypersomnolence, hypothermia, respiratory compromise, and feeding difficulties. [n.neurology.org]
Workup
Careful examination with prolonged eccentric gaze should be performed to achieve a correct diagnosis and avoid an extensive unnecessary workup. PMC Free PDF PMC Free Full Text FREE Publisher Full Text New Search Next [unboundmedicine.com]
There was no evidence of malignancy in our case despite an extensive oncological workup. [karger.com]
Diagnostic workup should be considered even if patients are taking medications with known myotonia-aggravating potential as they can unmask an underlying disease. Cataracts and diabetes at a young age should prompt consideration. [now.aapmr.org]
Serum
- Hyperglycemia
Insulin resistance that causes high blood sugar (hyperglycemia). Intellectual disability. Irregular heartbeat (arrhythmia) or problems with the electrical signals in your heart. Premature hair loss on the front scalp in men. Small testes in men. [my.clevelandclinic.org]
Treatment
There is no cure or specific treatment for this disorder. However, treatments for some of the symptoms are available. [autoimmunesociety.org]
In this update, the author offers a clinical and electromyographic guide to the diagnosis and treatment of these intriguing syndromes. [medlink.com]
Management and Treatment How is myotonia treated? Treatments for myotonia are specific to each type: Dystrophic myotonias Treatment of dystrophic myotonias depends on the symptoms. [my.clevelandclinic.org]
Nondystrophic myotonia is extremely rare and there are no FDA-approved therapeutic treatments for it at this time. This also makes it harder to diagnose as it is frequently overlooked. [fulgentgenetics.com]
By way of contrast, we also describe a patient with chronic SLE who received the drug with no deleterious effect in the treatment of an unusual intercurrent myotonic disorder. Report of Cases CASE 1. [jamanetwork.com]
Prognosis
What is the prognosis? There is no cure for Isaac's syndrome. The long-term prognosis for individuals with the disorder is uncertain. [medic8.com]
Read More Read Less Prognosis Prognosis There is no cure for Isaacs' syndrome. The long-term prognosis for individuals with the disorder is uncertain. Clinical Trials Clinical Trials [ninds.nih.gov]
Prognosis [ edit ] The long-term prognosis is uncertain, and has mostly to do with the underlying cause; i.e. autoimmune, paraneoplastic, etc. [en.wikipedia.org]
Little research is being done on this disease, so the long-term prognosis for individuals with the disorder is uncertain. Visit Forum [autoimmunesociety.org]
Etiology
Etiology ACZ-responsive myotonia is a sodium muscle channelopathy due to missense mutations of the SCN4A gene, encoding the alpha subunit of the skeletal muscle voltage-gated sodium channel Nav1.4. [orpha.net]
The prognosis is solely dependent upon the underlying etiologies. Myokymia is considered benign when detected in patients after strenuous exercise. Prognosis Prognosis is related directly to the underlying etiology. [emedicine.medscape.com]
It contains detailed illustrations of each nerve along with a discussion of its anatomy, followed by a thorough outline of the clinical conditions and entrapment syndromes that affect the nerve, including a list of the etiologies, clinical features, and [books.google.es]
Cases of severe denervation of any etiology.8 The rest of this article will focus on the true primary myotonic disorders. [now.aapmr.org]
Pain, proptosis, periorbital swelling, lid lag/retraction and pupil involvement are not symptoms of CPEO and indicate a different etiology. [eyewiki.aao.org]
Epidemiology
Summary Epidemiology Prevalence is unknown. [orpha.net]
ISAAC, The I nternational S tudy of A sthma and A llergies in C hildhood, is a unique worldwide epidemiological research programme established in 1991 to investigate asthma, rhinitis and eczema in children due to considerable concern that these conditions [isaac.auckland.ac.nz]
Asthma: Epidemiology, etiology and risk factors. CMAJ. 2009; 181(9):E181-E190. DOI: http://dx.doi.org/10.1503/cmaj.080612 [ Links ] 3. British Thoracic Society, Scottish Intercollegiate Guidelines Network. [scielo.org.mx]
Further epidemiological studies can reveal underdiagnosed myotonias in Colombia and the Latin-American region. [dovepress.com]
Epidemiology Frequency Although myokymia can be seen in patients with different neurological and medical conditions and occasionally even in healthy subjects, it is a relatively rare clinical manifestation. [emedicine.medscape.com]
Pathophysiology
SJS 1A is due to mutations in HSPG2 gene (located on chromosome 1p36.12, which encodes perlecan, a component of basement membrane).[1] Defect in perlecan is known to cause chondrodysplasia, but the exact pathophysiology for myotonia in SJS 1A is uncertain [neurologyindia.com]
ECG: to exclude cardiac arrhythmias and other abnormalities MRI: signs of global atrophy Nondystrophic myotonic syndromes Differential diagnoses Overview of myotonic syndromes Comparison of myotonic syndromes and muscular dystrophies [1] Types Onset Pathophysiology [www-amboss-com.db.rsu.lv]
Differential diagnosis of IS Although the pathophysiology of IS involves the dysfunction of VGKCs by autoantibodies resulting in potassium-ion imbalance that leads to symptoms of muscular hyperexcitability, this case highlights the question of how neuropathic [karger.com]
Pathophysiology The clinical phenomenon is characterized by its classic quivering movement of the involved muscle without movement of the joint. Myokymia can be seen in muscles innervated by cranial or spinal nerves. [emedicine.medscape.com]
First, since the likelihood of cardiac and muscular channelopathies occurring together in patients is extremely low, given their rare prevalence in the general population, a pathophysiological link between CLCN1 mutations and cardiac arrhythmias can be [frontiersin.org]
Prevention
Sudden movement can also cause muscle stiffness and cramping so warming up before exercise with low-intensity movements can help prevent severe attacks of myotoniacongenita. [physio.co.uk]
Beginning in childhood, people with this condition experience bouts of sustained muscle tensing (myotonia) that prevent muscles from relaxing normally. [medlineplus.gov]
[…] either hereditary or acquired from another condition, it cannot be prevented. [ukhealthcare.uky.edu]