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Myotonia congenita is a congenital neuromuscular channelopathy that affects skeletal muscles (muscles used for movement). It is a genetic disorder.The hallmark of the disease is the failure of initiated contraction to terminate, often referred to as delayed relaxation of the muscles and rigidity. [1]
Myotonia is the defining symptom of many channelopathies (diseases of ion channel transport) such as myotonia congenita, paramyotonia congenita and myotonic dystrophy. [3] [4] Brody disease (a disease of ion pump transport) has symptoms similar to myotonia congenita, however, the delayed muscle relaxation is pseudo-myotonia as the EMG is normal ...
Limb–girdle muscular dystrophy (LGMD) is a genetically heterogeneous group of rare muscular dystrophies that share a set of clinical characteristics. [7] It is characterised by progressive muscle wasting which affects predominantly hip and shoulder muscles. [8]
Isolated case reports of myotonia had been published previously, including reports by Frederick Eustace Batten and Hans Curschmann, and type 1 myotonic dystrophy is therefore sometimes known as Curschmann-Batten-Steinert syndrome. [35] The underlying cause of type 1 myotonic dystrophy was determined in 1992. [2]
The hospital provides comprehensive pediatric specialties and subspecialties to pediatric patients aged 0–21 [4] [5] [6] throughout eastern Michigan and the Detroit area and is a part of the Detroit Medical Center. The hospital features the only freestanding pediatric Level 1 Pediatric Trauma Center [7] in the
The Erb family foundation's $7.5 million gift has a 1:1 philanthropic match, which means Detroit PBS must raise an extra $7.5 million to match the gift — plus an additional $5 million to reach ...
NMT is a diverse disorder. As a result of muscular hyperactivity, patients may present with muscle cramps, stiffness, myotonia-like symptoms (slow relaxation), associated walking difficulties, hyperhidrosis (excessive sweating), myokymia (quivering of a muscle), fasciculations (muscle twitching), fatigue, exercise intolerance, myoclonic jerks and other related symptoms.
Potassium-aggravated myotonia is a rare genetic disorder that affects skeletal muscle. [2] Beginning in childhood or adolescence, people with this condition experience bouts of sustained muscle tensing ( myotonia ) that prevent muscles from relaxing normally.