About this information
This NHS content is written for people in England. Services, entitlements and contact routes may differ in other countries.
Find out about cardiomyopathy, a general term for diseases of the heart muscle, where the walls of the heart chambers have become stretched, thickened or stiff.
Content supplied by the NHS website, refreshed 16 September 2026. View the original NHS article ↗
Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.