Neuromuscular Disease Caused By Qualitative Or Quantitative Defects Of Telethonin C5680842
A rare genetic form of muscular dystrophy caused by defects in telethonin, a protein in muscle fibers. It typically causes progressive weakness in hip and shoulder muscles. Care focuses on mobility support and physical therapy.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Severe congenital limb-girdle muscular dystrophy
Progressive difficulty with ambulation
Cardiomyopathy with onset in adolescence
Joint pain or stiffness
(musculoskeletal)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Joint contractures developing in childhood
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Cardiac arrhythmia management
Cardiac medications including beta-blockers or antiarrhythmic agents to manage heart rhythm abnormalities commonly associated with telethonin defects and LGMD2G.
Drug therapy with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Regular cardiac screening
Serial cardiac evaluations including ECG, Holter monitoring, and echocardiograms to detect and monitor cardiomyopathy and conduction abnormalities.
When to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Neuromuscular Disease Caused By Qualitative Or Quantitative Defects Of Telethonin C5680842?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy