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The symptoms of cardiomyopathy vary by type.

  • Dilated cardiomyopathy Symptoms can include:

    • Shortness of breath, especially during exertion

    • Fatigue

    • Difficulty breathing while lying down

    • Leg swelling

    • Palpitations

    • Chest pain

  • Hypertrophic cardiomyopathy Symptoms, when they occur, are usually the same as the symptoms of dilated cardiomyopathy. Sometimes, the first symptom may be fainting or even sudden death. The condition also can cause chest pain, usually during exercise.

  • Restrictive cardiomyopathy Fluid accumulates in the legs and abdomen. This condition also can cause shortness of breath, especially during exertion.

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