Which hereditary condition in Ragamuffins involves the thickening of the heart muscle?

Answer

Hypertrophic Cardiomyopathy (HCM)

Hypertrophic Cardiomyopathy (HCM) is a form of heart disease where the muscle of the heart thickens.

Which hereditary condition in Ragamuffins involves the thickening of the heart muscle?
animalÇatdisadvantagebreedRagamuffin