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先天性心臟病是指一種與生俱來的心臟病。它與後天的心臟損傷、細菌感染與動脈硬化毫無關聯。例如心臟發育不正常的先天性中隔缺損，這是心臟雜音的常見原因。其發生原因乃卵子受精後，反覆的展開細胞分裂，一面作成組織、器官、臟器。然待完成分化後，而成為一個「人」。但在這個「個體」的發生過程中，有時卻因某些原因，無法完成充分的分化，使心臟的功能發育不完全。

人類的心臟是一個構造極為靈巧的器官，它的重量雖然只佔人體重量的二百分之一，然而它卻是維持人體分秒都不可缺少的寶貝。主宰人類意志的大腦在心臟罷工的三分鐘之內，就會發生不可收拾的損傷。所以，心臟從人出生到死亡，就必須一輩子持續跳動。心臟病症狀的出現是由於臟動脈內壁上的膽固醇塊上，形成了血塊，而令到供應給心臟的血液嚴重減少，引致心絞痛、心肌組織產生電脈性不穩。倘若供應給心臟某部份血液完全停止時，該部份便無法得到氧氣和賴以保持正常運作的養份，造成無法彌補的傷害，甚至導致患者死亡。

The so-called palpitations patients themselves feel the heart is not normal activity. It can reflect the changed condition of the heart beat, such as: change in cardiac contractile force or heartbeat speed. But for some patients, non-cardiac disease may be considered the normal activities of the heart, leaving the patient misidentification. “Palpitations” sounds like a disease terminology, but in reality, it is but the patients personal subjective feeling uncomfortable heartbeat, and the patients it has many different description, including the “heart beat so hard heart thump thump jump “,” think that the heart will overflow “argument.

Chest pain for some people, is indeed a warning sign of coronary heart disease (CHD), many patients due to right chest pain to allow the physician to diagnose coronary heart disease will be the appropriate treatment. In some patients, however, although the pain but not the heartache disturbing that these people do not have heart disease. This pain often cause public concern, some really high risk fatal risk of acute myocardial infarction, unstable angina, aortic dissection, pulmonary embolism, or pneumothorax caused.

Rheumatic heart disease is a general term for inflammation caused by heart disease. For example, a special strain of Streptococcus β ─ hemolytic Streptococcus, causing the reaction will lead to rheumatic heart disease.

Nutrition blood vessels of the heart called the “coronary”, divided into left and right two left for the left coronary, the right of the right coronary artery. After leaving the aorta, the left coronary artery, it is divided into two, walk forward called the left anterior descending coronary artery, the left rear side and rear walk called “left circumflex coronary artery, the surface of the heart’s coronary Finally, drill into the myocardium become very small arteries and capillaries to to supply myocardial needed oxygen and nutrients.

These six factors are linked with each other. If a person has several factors at the same time, his chance of suffering from the symptoms of heart disease will be higher.

Congenital heart disease is an inborn heart disease. It is not related to acquired heart damage, bacterial infections and atherosclerosis. Such as abnormal heart development of congenital septal defect, which is a common cause of heart murmur. Congenital heart disease is due to its occurrence after the egg is fertilized, repeatedly expand cell division side made of tissues, organs, organ. Contingent upon completion of differentiation, and to become a “person”. However, the occurrence of the “individual” process, sometimes because of some reason, unable to complete the full expand which made the incomplete development of the function of the heart.

The human heart is a very smart organ. It’s weight is just 1/200 of the body weight, but it is indispensable to maintain the human body in every minute. The brain which dominate the human mind will have unrecoverable damage if the heart stop functioning for three minutes. So, from a people born to death, the heart need to continue beating in every minutes.