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Heart and cardiovascular conditions are among the most common in the world. The umbrella term cardiovascular disease (CVD) refers to all the diseases of the cardiovascular system – which consists of the heart and all the blood vessels in the body. Learn about the different types of heart disease , such as coronary artery disease , arrhythmias, congenital heart defects and more. Find out the common signs, risk factors and treatments for each condition. WebMD explains the causes and symptoms of the different types of heart disease , including coronary artery disease , arrhythmias, heart failure, and heart valve disease . Symptoms Sometimes heart disease may be "silent" and not diagnosed until a person experiences signs or symptoms of a heart attack, heart failure, or an arrhythmia. When these events happen, symptoms may include: 1 Heart attack: Chest pain or discomfort, upper back or neck pain, heartburn, nausea or vomiting, extreme fatigue, dizziness, and shortness of breath. Arrhythmia: Fluttering feelings in the chest (palpitations). Heart failure: Shortness of breath, fatigue, or swelling of the feet ...