There is a rare and serious kind of heart failure comes from stiffening of the heart itself. Many of you have heard of amyloid protein tangles in the brain as it relates to Alzheimer’s disease. Amyloidosis is a group of diseases where abnormal proteins build up in the body and cause problems. ATTR-CM is a kind of amyloidosis where surprisingly, a liver protein breaks apart, clumps together and starts to build up in the heart. Dr. Rybacki gives you a great understanding of an underdiagnosed type of heart failure and a remarkable medicine that is in the pipeline to treat it!