This book considers several clinical and interventional topics for which there is either uncertainty, continued debate and/or no consensus based on current guidelines. Leading international experts explore each controversy, probing the existing evidence and current opinions. Each chapter outlines the unresolved issues and includes a balanced and scholarly discussion of the subject, concluding with possible solutions and learned opinions on the subject.While there are many guidelines in cardiology, new and on-going trials that address new treatments indicate that there are still many unanswered questions. Controversies in Cardiology provides a concise approach to aid busy cardiologists and trainees in choosing the most suitable management solutions and correctly applying these to their patients.