Preferred Label : isaacs syndrome;

MeSH definition : A rare neuromuscular disorder with onset usually in late childhood or early adulthood, characterized by intermittent or continuous widespread involuntary muscle contractions; FASCICULATION; hyporeflexia; MUSCLE CRAMP; MUSCLE WEAKNESS; HYPERHIDROSIS; TACHYCARDIA; and MYOKYMIA. Involvement of pharyngeal or laryngeal muscles may interfere with speech and breathing. The continuous motor activity persists during sleep and general anesthesia (distinguishing this condition from STIFF-PERSON SYNDROME). Familial and acquired (primarily autoimmune) forms have been reported. (From Ann NY Acad Sci 1998 May 13;841:482-496; Adams et al., Principles of Neurology, 6th ed, p1491);

MeSH synonym : myokymia, continuous; isaacs mertens syndrome; continuous muscle activity syndrome; isaac syndrome; syndrome of continuous muscle activity; isaacs' syndrome; isaacs-mertens syndrome; continuous myokymia; isaacs pseudomyotonia syndrome; gamstorp-wohlfart syndrome; gamstorp wohlfart syndrome; pseudomyotonia syndrome of isaacs; quantal squander; continuous myokymias; myokymias, continuous; myokymia, myotonia, muscle wasting, and hyperhidrosis; Neuromyotonia;

CISMeF synonym : Isaacs-Mertens; Isaacs; Mertens; Isaacs Mertens; isaacs's syndrome; gamstorp-wohlfart syndromes; neuromyotonia; pseudomyotonia; syndromes, gamstorp-wohlfart; syndromes, isaacs-mertens;

MeSH hyponym : acquired neuromyotonia; Neuromyotonia, Acquired;

Wikipedia link : https://en.wikipedia.org/wiki/Isaacs syndrome;

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A rare neuromuscular disorder with onset usually in late childhood or early adulthood, characterized by intermittent or continuous widespread involuntary muscle contractions; FASCICULATION; hyporeflexia; MUSCLE CRAMP; MUSCLE WEAKNESS; HYPERHIDROSIS; TACHYCARDIA; and MYOKYMIA. Involvement of pharyngeal or laryngeal muscles may interfere with speech and breathing. The continuous motor activity persists during sleep and general anesthesia (distinguishing this condition from STIFF-PERSON SYNDROME). Familial and acquired (primarily autoimmune) forms have been reported. (From Ann NY Acad Sci 1998 May 13;841:482-496; Adams et al., Principles of Neurology, 6th ed, p1491)

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26/04/2025


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