what specific gene causes hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy is usually caused by abnormal genes (gene mutations) that cause the heart muscle to grow abnormally thick. People with hypertrophic cardiomyopathy also have an abnormal arrangement of heart muscle cells, a condition known as myofiber disarray.ymptoms. Signs and symptoms of hypertrophic cardiomyopathy may include one or more of the following: 1  Shortness of breath, especially during exercise. 2  Chest pain, especially during exercise.