Public condition directory

Internal Medicine

Browse public condition summaries from China medical resources by stable specialty category.

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Internal MedicineCardiovascular Medicine

Mitral annular calcification

The mitral valve is located between the left atrium and the left ventricle, and its main function is to prevent blood from flowing backward. Mitral annular calcification refers to the deposition of calcium salts around the heart valve, causing the valve to narrow or fail to close properly. Mild cases of this condition are asymptomatic, while severe cases may present with symptoms such as dyspnea, hemoptysis, and coughing.

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Internal MedicineCardiovascular Medicine

Mitral stenosis

The mitral valve is located between the left atrium and the left ventricle. Its function is to ensure blood flows from the left atrium into the left ventricle and prevent backflow. Mitral stenosis refers to the narrowing of the mitral valve opening, which obstructs blood flow from the left atrium into the left ventricle. When blood accumulates in the left atrium, it may backflow into the lungs, causing pulmonary hypertension, and in severe cases, lead to heart failure. This condition is relatively common, predominantly affecting young and middle-aged adults between 20 and 40 years old, with a higher incidence in females than males.

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Internal Medicine

Internal Medicine

Mitral annular calcification

Mitral stenosis

Reflex syncope

Junctional escape beat

Pulmonary valve insufficiency

Pulmonary regurgitation

Pulmonary valve stenosis

Eisenmenger syndrome

Chronic heart failure