What Is Muscular Dystrophy?
10. Merosin-Deficient CMD
This is the most common form of CMD, usually involving contracted muscles, restrictive pulmonary disease, and scoliosis. While this form of CMD does not usually impact intelligence, about a third of children with Merosin-deficient CMD also have a variety of cardiac issues, such as arrhythmias.
Every patient is unique, and symptoms present differently, even between family members diagnosed with the same form of CMD. The degree of severity and the rate at which the condition progresses will vary. Because diagnosing the type of CMD is difficult, parents will often seek a second opinion.
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