Heart disease: Heart and cardiovascular conditions are among the

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. 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 ... Cardiovascular disease (CVD) is any disease involving the heart or blood vessels. [3] CVDs constitute a class of diseases that includes: coronary artery diseases (e.g. angina, heart attack), heart failure, hypertensive heart disease , rheumatic heart disease , cardiomyopathy, arrhythmia, congenital heart disease , valvular heart disease , carditis, aortic aneurysms, peripheral artery disease , thromboembolic disease , and venous thrombosis. [3][4] The underlying mechanisms vary depending on the ...