This groundbreaking book weaves together three important themes. It describes major developments in the diagnosis and treatment of heart disease in the twentieth century, explains how the Mayo Clinic evolved from a family practice in Minnesota into one of the world's leading medical centers, and reveals how the invention of new technologies and procedures promoted specialization among physicians and surgeons. Caring for the Heart is written for general readers as well as health care professionals, historians, and policy analysts. Unlike traditional institutional or disease-focused histories, t