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Heart disease
1. Congenital heart disease :
The baby was found to have heart defect when it was born. This can be related to heredity, maternal illness at the beginning of prenancy, infection or drugs factor.
2. Acquired heart disease :
- Coronary heart disease :
It is caused by an accumulation of fats in the coronary artery of the heart, This causes atherosclerosis, narrowing of the blood vessel and resisting blood flow. All of these damage the heart by depleting the heart of oxygen.
- Hypertensional heart disease :
The high blood pressure of the artery increases the load of the left ventricle. This causes the swelling of the left ventricle and the high blood pressure syndrome of the lungs. Lastly, the rigth ventricle also becomes swelling.
- Rheumatic heart disease :
The valves of the heart gradually deforms once being infected with rheumatic fever, causing malfunction.
- Pulmonary heart disease :
It is a type of heart complication raised by the pulmonary diseases ( e.g. chronic bronchitis, emphysema ). Pulmonary dieases raises the blood pressure of the pulmonary artery, causing the swelling or failure of the right ventricle.
- Cardiac muscle disease :
Infection, metabolisms, drugs, alcohols or hormones can cause the transformation or failure of cardiac muscle.
- Heart tumour :
Most are benign tumours. The most common type is mucus tumour. They are rarely original cardiac malignant tumours.
2007-06-01 00:55:41 補充:
Pulmonary heart disease 第三行打錯字pulmonary dieases --- pulmonary diseases
參考: Me, 醫書, dictionary and A-level Bio text books