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These studies suggest cardiovascular diseases include ischemic heart disease, stroke, heart failure, peripheral arterial disease, hypertension, coronary heart disease, cerebrovascular disease, rheumatic heart disease, congenital heart disease, and cardiomyopathies.
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Cardiovascular diseases (CVDs) encompass a wide range of disorders affecting the heart and blood vessels. These conditions are the leading cause of global mortality and morbidity, significantly impacting public health worldwide. Below is a detailed list of the primary cardiovascular diseases, along with insights into their pathophysiology and prevalence.
Ischemic heart disease, also known as coronary artery disease, is characterized by reduced blood flow to the heart muscle due to the buildup of plaque in the coronary arteries. This condition can lead to chest pain (angina), heart attacks (myocardial infarction), and heart failure .
Stroke occurs when the blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients. This can result in brain damage and loss of function. Strokes are primarily caused by either a blockage (ischemic stroke) or a rupture (hemorrhagic stroke) of blood vessels in the brain .
Heart failure is a chronic condition where the heart is unable to pump blood effectively to meet the body's needs. It can result from various underlying conditions, including coronary artery disease, hypertension, and cardiomyopathies .
Peripheral arterial disease (PAD) involves the narrowing of peripheral arteries, typically in the legs, leading to reduced blood flow and pain during walking (claudication). PAD is often a result of atherosclerosis and can increase the risk of heart attack and stroke .
Hypertension is a condition where the blood pressure in the arteries is persistently elevated. It is a major risk factor for other cardiovascular diseases, including heart attack, stroke, and heart failure. Hypertension can result from genetic factors, lifestyle choices, and other health conditions .
Atherosclerosis is the buildup of fats, cholesterol, and other substances in and on the artery walls (plaque), which can restrict blood flow. This condition is a major underlying cause of many cardiovascular diseases, including coronary artery disease, stroke, and peripheral arterial disease .
Rheumatic heart disease is caused by damage to the heart valves from rheumatic fever, which is triggered by a streptococcal bacterial infection. This condition can lead to heart valve disorders and heart failure.
Congenital heart disease refers to a range of birth defects that affect the normal functioning of the heart. These defects can involve the heart walls, heart valves, and blood vessels, and can lead to serious health issues if not treated .
Cardiomyopathies are diseases of the heart muscle that can lead to heart failure. They include dilated cardiomyopathy, hypertrophic cardiomyopathy, and restrictive cardiomyopathy, each affecting the heart's ability to pump blood effectively .
Atrial fibrillation is an irregular and often rapid heart rate that can increase the risk of stroke, heart failure, and other heart-related complications. It is associated with inflammation and changes in the heart's electrical system.
Myocarditis is inflammation of the heart muscle, often caused by viral infections. It can lead to dilated cardiomyopathy and sudden cardiac death if severe.
Valvular heart disease involves damage to or a defect in one of the four heart valves: the mitral, aortic, tricuspid, or pulmonary. This can lead to conditions such as valve stenosis (narrowing) or regurgitation (leakage) .
Cardiovascular diseases are diverse and complex, affecting millions of people worldwide. Understanding the various types of CVDs, their causes, and their impact on health is crucial for effective prevention, diagnosis, and treatment. Continued research and public health initiatives are essential to combat the global burden of these diseases.
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