Cardiomyopathy describes several conditions that affects your heart muscle. A person with  hypertrophic cardiomyopathy has a heart muscle that is enlarged, thick, or rigid. As the condition worsens, these changes leave your heart weaker and less able to pump blood.

Symptoms of cardiomyopathy include:

  • Leg swelling
  • Shortness of breath
  • Heart rhythm problems
  • Syncope (fainting)
  • Dizziness