The author sincerely admires the heart: the complexity and perfection of its design, strength, endurance, and ability to survive. He talks about how the heart works and what its work depends on. We learn a lot of new things not only about angina, ischemia, heart attacks and various types of arrhythmias, but also about heart defects, vascular pathologies, as well as the nuances of blood pressure and coronary circulation. Let's figure out what harms the heart and what benefits it, learn to understand when something is wrong with the heart, recognize it in time and prevent danger. This book was written to keep our hearts beating for as long as possible.