Good evening, dear Vladislav,

I think that this articles may be useful for you 

Best regards

Dear Vladislav,

Please, give a look at these articles. The link will lead you on the article where vitiligo, hypothyroidism and cardiomyopathy are described by Y.Gupta. In enclosed files you'll find 2 articles on hypothyroidism-induced myocardial damage.

Успехов! С наилучшими пожеланиями,

Г.Т.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3354864/