Advancements in Transthyretin Amyloid Cardiomyopathy: Understanding, Diagnosing, and Treating Transthyretin amyloid cardiomyopathy (ATTR-CM) is a rare but serious disease caused by the buildup of abnormal deposits of a protein called transthyretin in the heart. These protein deposits interfere with the normal workings of the heart and can lead to heart failure if not treated properly. In this article, we will discuss the causes, symptoms, diagnosis and various treatment options...