Book excerpt: Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. An ideal reference for residents, fellows, practitioners, and nurse practitioners, Manual of Cardiovascular Medicine, 5th Edition is a concise, up-to-date overview of key topics in cardiology. Using a practical, outline format, this best-selling title presents evidence-based approaches to cardiovascular diagnosis, diseases, and treatment – perfect for daily practice or exam preparation.