How does the family history aid in diagnosis of muscular dystrophy syndromes

How does the family history aid in diagnosis of muscular dystrophy syndromes?

Many of the muscular dystrophy syndromes have strong patterns of inheritance

Muscular Dystrophy Syndromes Inheritance Patterns

Duchenne muscular dystrophyX-linked recessive
Becker muscular dystrophyX-linked recessive
Limb-girdle muscular dystrophiesAutosomal recessive or dominant
Facioscapulohumeral muscular dystrophyAutosomal dominant
Myotonic dystrophyAutosomal dominant
Proximal myotonic myopathyAutosomal dominant

Key Elements of Physical Examination

SystemExamine for
GeneralCardiopulmonary disease, infection, thyroid disease, malignancy
JointsSynovitis, deformities, contractures
MusclesMuscle bulk, tenderness, weakness, fasciculations
NeurologicSensory abnormalities, deep tendon reflexes, weakness
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