Overview
Myotonia levior is a disorder.
Auto-generated from clinical reference data. Not a substitute for medical advice.
Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Myotonia with warm-up phenomenon
Always present (100%)HP:0003740
Delayed relaxation of muscle fibres after contraction
Frequent (30-79%)HP:0002486
Grip myotonia
Frequent (30-79%)HP:0012899
Hypertrophic muscles
Frequent (30-79%)HP:0003712
Muscle stiffness
Frequent (30-79%)HP:0003552
Percussion myotonia
Frequent (30-79%)HP:0010548
Muscle pain
Occasional (5-29%)HP:0003326
von Graefe sign
Occasional (5-29%)HP:0025605
EMG: spontaneous, repetitive electrical activity
HP:0003730
Muscle weakness
Excluded (<1%)HP:0001324
Related Conditions
Quick Facts
- SNOMED CT
- 8960007
- UMLS CUI
- C0270959
- Fully Specified Name
- Myotonia levior (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 10
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.