Linked from
The 12 pages that link to Cardiomyopathy, each with the reason it gives.
Heart failureNarrower topic: This broad group includes disorders that directly cause heart failure.
HeartRelated: It can weaken or stiffen the heart even without coronary blockage.
Systole (cardiac physiology)Related: Some forms weaken contraction and reduce systolic ejection.
Alström syndromeRelated: Alström syndrome can cause both infantile and later-onset cardiomyopathy.