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Rheumatic heart disease

Rheumatic heart disease (RHD) is referred to as rheumatic heart disease, which refers to the heart disease caused by the activity of rheumatic fever and involving the heart valve. It is characterized by stenosis and / or insufficiency of one or more valves in mitral valve, tricuspid valve and aortic valve. The disease mostly occurs in winter and spring. In cold, humid and crowded environment, the initial onset age is mostly 5-15 years old, and the recurrence is mostly within 3-5 years after the initial onset. According to the research results, the proportion of simple mitral valve disease is 46.7%, which is the highest, followed by mitral valve combined with aortic valve, simple aortic valve, tricuspid valve and pulmonary valve. The main pathological changes are edema and exudation at the edge and base of the valve, and gradually expand to all the valves, and even involve the chordae tendineae and papillary muscles, resulting in the fusion of valve leaflets, the fusion and shortening of chordae tendineae, as well as the fibrosis, stiffness, curl and calcification of valve leaflets in the valve junction area, resulting in the stenosis or incomplete closure of valve openings.

Symptoms

Atrial septal defect

Pulmonary hypertension

Pulmonary stenosis

Sinoatrial block

Non paroxysmal atrioventricular junction tachycardia

Atrial tachycardia

AV junctional escape beats

Atrioventricular junctional premature contraction

Atrioventricular block

Atrial premature beat

Hypertrophic cardiomyopathy

Pulmonary stenosis

Pulmonary insufficiency

Narcolepsy

Friedreich ataxia

Reflex syncope

Reflux esophagitis

Diarrhea

abdominal pain

Developmental retardation

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