A small mutation, a big impact: New findings on rare heart conditions
Cardiomyopathies are a group of mostly hereditary, rare heart diseases in which the structure of heart muscle tissue is impaired. This limits the heart's pumping capacity, leading to shortness of breath, reduced exercise capacity and other typical symptoms of heart failure.

<p>Cardiomyopathies are a group of mostly hereditary, rare heart diseases in which the structure of heart muscle tissue is impaired. This limits the heart's pumping capacity, leading to shortness of breath, reduced exercise capacity and other typical symptoms of heart failure.</p>