What clinical findings characteristic of Duchenne muscular dystrophy (DMD)?

Updated: Aug 17, 2020
  • Author: Twee T Do, MD; Chief Editor: Jeffrey D Thomson, MD  more...
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Other clinical findings in Duchenne MD include absent deep tendon reflexes in the upper extremities and patella (though the tendo Achillis reflex remains intact even in the later stages of this disease), pain in the calves with activity (<30% of patients), pseudohypertrophy of the calf (60%), and macroglossia (30%). Cardiopulmonary involvement is present from the beginning of the disease stages, but the findings are not so clinically obvious. Electrocardiographic (ECG) tracings show right ventricular strain, tall R waves, deep Q waves, and inverted T waves. [30]

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