Coronary heart disease belongs to the department of cardiology.

Written by Liu Ying

Cardiology

Updated on January 12, 2025

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Coronary heart disease is the abbreviation for coronary atherosclerotic heart disease. It occurs when coronary arteries undergo atherosclerosis, causing narrowing or blockage of the lumen, leading to myocardial ischemia, hypoxia, or necrosis. After the diagnosis of heart disease, if conservative treatment or coronary intervention is administered, then it falls under the category of cardiology. However, if coronary heart disease is diagnosed and further treatment necessitating bypass surgery is needed, then a cardiac surgeon should perform the surgery.

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Coronary heart disease is related to anemia.

Coronary heart disease and anemia are not the same type of diseases; they differ in mechanisms of onset, clinical symptoms, and treatment methods. Coronary heart disease is caused by long-term arteriosclerosis, leading to narrowing of the coronary arteries, which causes ischemia and damage to the myocardium, hence it is called coronary heart disease. The treatment for coronary heart disease involves the use of medications to improve blood supply by dilating the coronary arteries, as well as medications to promote blood circulation and remove blood stasis. Anemia is due to a reduction in blood cells, causing ischemia in peripheral tissues and organs, leading to a series of clinical manifestations. Treatment involves supplementing blood or providing hematopoietic elements, depending on the cause of the anemia.

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How long can coronary heart disease last?

Coronary heart disease, although having an annual sudden death rate of about 1%-5%, can significantly reduce the mortality rate with standardized treatment. There is currently no medical prediction on how long someone with coronary heart disease can live, as advances in medicine mean that as long as one undergoes standardized treatment using the most scientific, advanced, and regulated methods, and also pays attention to their lifestyle and conditioning, their lifespan should not be affected.

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Written by Gong Hao

Cardiology

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Can coronary heart disease be cured?

Can coronary heart disease be cured? Objectively speaking, the current treatment of coronary heart disease mainly focuses on controlling the progression of the disease, relieving symptoms, improving the quality of life, and improving the prognosis, but it cannot completely cure coronary heart disease. Firstly, the cause of coronary heart disease is the major blood vessels supplying the heart, the coronary arteries, undergoing atherosclerosis and narrowing, leading to insufficient blood supply to the heart, ultimately resulting in angina and heart failure. Therefore, the fundamental cause of coronary heart disease is the pathological changes in the coronary arteries, and the reasons and fundamental mechanisms causing these changes are not entirely clear, and are related to factors such as high blood lipids, high blood pressure, high blood sugar, age, smoking, family history, etc. Thus, the main treatment for coronary heart disease currently is to improve lifestyle, quit smoking and limit alcohol consumption, control blood pressure, blood sugar, and blood lipids, and use aspirin or antiplatelet drugs to inhibit the aggregation of platelets and prevent thrombosis.

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Cardiology

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What are the symptoms of coronary heart disease?

The most typical manifestation of coronary heart disease is angina pectoris, but it can also present as chest tightness, chest pain, paroxysmal tachycardia, fatigue, decreased endurance, a feeling of throat constriction, numbness in the upper limbs, and even symptoms related to the digestive tract such as upper abdominal pain, nausea, and vomiting. Many patients with coronary heart disease do not show obvious symptoms, and the onset might present as myocardial infarction or sudden death, which is very frightening. Therefore, if symptoms of coronary heart disease are noticed, it is crucial to seek medical treatment at a hospital as soon as possible. Middle-aged and elderly people should have regular physical examinations. Young people who stay up late, smoke, or are addicted to video games, among other bad habits, can also develop coronary heart disease, so it is important to be mindful of these behaviors.

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How is coronary heart disease diagnosed?

Coronary heart disease is a common disease among the elderly. So how should coronary heart disease be diagnosed? The diagnosis of coronary heart disease mainly involves the following aspects: First, based on clinical symptoms, patients with coronary heart disease often experience episodes of angina pectoris, which are likely to occur during brisk walking or emotional excitement. Second, electrocardiogram diagnosis; during episodes of angina pectoris, the electrocardiogram often shows changes indicative of myocardial ischemia. Third, coronary angiography, which is a gold standard measure for the definitive diagnosis of coronary heart disease, allows for a clear diagnosis of whether coronary heart disease is present or not. Fourth, the exercise stress test, which can induce episodes of coronary heart disease and also serve as a diagnostic tool for the disease.