The MCQs in Cardiology with Explanation provides a concise and thorough screening of all the chapters of cardiology in a readily accessible outline format. It is based mainly on “Textbook of Cardiovascular Medicine,” edited by Eugene Braunwald, and “The Heart,” edited by J Willis Hurst. To be more comprehensive, questions and answers from the “Textbook of the Clinical Recognition of Congenital Heart Disease,” by J Perloff, and “Cardiac Catheterization and Angiography,” by William Grossman, are also included. To facilitate the readings from the reference books, each answer is studded with reference to the resources.