Cardiovascular diseases considered as number one killer in United States. 42.7 percent out of two million people who have heart diseases die each year. Coronary arteries’ function is to supply the heart with oxygen-rich blood. When less blood and oxygen flow to the heart, it means the coronary artries narrow. This type of situation is called coronary artery disease, or atherosclerosis means the hardening of the arteries in which fatty deposits build up inside the coronary arteries. Heart attack, or againa occurs when a blood clot develops from plaque in one of the arteries. As the clot gets bigger, it becomes harder to supply blood and oxygen to the heart. The most common symptoms are chest pain, discomfort, burning, aching across the chest,
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The author focuses on the coronary heart disease. His article starts by giving an introduction about the heart’s structure and function. It explains briefly that heart is a muscle as the same size of adult human fist. Its main function is to pump oxygen-rich blood around the body. Circulation process starts when blood leaves the heart by going to the lungs. Then from the lungs, the blood goes to the organs of the body bythe arteries. When the blood returns to the heart by the veins, it pumped to the lungs again. Coronary arteries’ function is to supply the heart with the oxygen that is needed during the phsyical activity. The author provides the symptoms, causes, risk factors, and diagnose of coronary heart disease. Also, the article includes the types of treatment that patients need, and preventation ways from coronary heart disease. It states that heart attack occurs when a blood clot develops from plaque in one of the arteries. Lack of oxygen to the heart can cause angina or a heart attack. The main symptoms that could exist are chest discomfort, shortness of breath, nausea, and vomiting. It mentions that age, uncontrolled hypertention, high blood pressure, lack of exerices, and high blood cholesterol are the main risk factors. It gives a clear overview of coronory heart disease and how to control
The author focuses on the coronary heart disease. His article starts by giving an introduction about the heart’s structure and function. It explains briefly that heart is a muscle as the same size of adult human fist. Its main function is to pump oxygen-rich blood around the body. Circulation process starts when blood leaves the heart by going to the lungs. Then from the lungs, the blood goes to the organs of the body bythe arteries. When the blood returns to the heart by the veins, it pumped to the lungs again. Coronary arteries’ function is to supply the heart with the oxygen that is needed during the phsyical activity. The author provides the symptoms, causes, risk factors, and diagnose of coronary heart disease. Also, the article includes the types of treatment that patients need, and preventation ways from coronary heart disease. It states that heart attack occurs when a blood clot develops from plaque in one of the arteries. Lack of oxygen to the heart can cause angina or a heart attack. The main symptoms that could exist are chest discomfort, shortness of breath, nausea, and vomiting. It mentions that age, uncontrolled hypertention, high blood pressure, lack of exerices, and high blood cholesterol are the main risk factors. It gives a clear overview of coronory heart disease and how to control