You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Most common cause of death in primary am loidosis is? and explain in detail?
Cardiac failure REF: Harrison's Internal Medicine 17th edition chapter 324. Amyloidosis The kidneys are the most frequently affected organ (80%). Renal amyloidosis is usually manifested by proteinuria, which is often in the nephrotic range and associated with significant hypoalbuminemia and edema or anasarca; rarely, tubular rather than glomerular deposition of amyloid can produce azotemia without significant proteinuria. Cardiac symptoms are the second most common presentation (40%), but cardiac dysfunction is associated with death in 75% of patients.