Neuromyotonia: clinical features
Evidence-based neurology checklist on neuromyotonia: clinical features: Peripheral features Cramps Pseudomyotonia Myokymia Excessive sweating Paraesthesias Mild weakness Muscle hypertrophy Painless involuntary flexion of ring and middle fingers Armadillo syndrome (laborious gait) Finger flexion…
Peripheral features
- Cramps
- Pseudomyotonia
- Myokymia
- Excessive sweating
- Paraesthesias
- Mild weakness
- Muscle hypertrophy
- Painless involuntary flexion of ring and middle fingers
- Armadillo syndrome (laborious gait)
- Finger flexion
- Clenched fists
- Prolonged paralysis after general anaesthesia
Central features
Differential diagnosis
Synonym
References
- Maddison P. Neuromyotonia. Clinl Neurophysiol 2006; 117:2118-2127.
- Modarres H, Samuel M, Schon F. Isolated finger flexion: a novel form of focal neuromyotonia. JNNP 2000; 69:110-113.
- Ropper AH, Brown RH. Principles of Neurology. Eigth edition. McGraw Hill New York 2005 p1278.
- Jamora RD, Umapathi T, Tan LC. Finger flexion resembling focal dystonia in Isaacs' syndrome. Parkinsonism Relat Disord 2006; 12:61-63.
- Dhanapalaratnam R, Schwartz R, Huynh W. Teaching Video NeuroImage: Clenched fists as an unusual presentation of focal neuromyotonia. Neurology 2021; 97:e429-e430.
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