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Atrioventricular block

In the process of cardiac electrical activation conduction, the abnormal electrical activation conduction between atrium and ventricle can lead to arrhythmia and make the heart unable to contract and pump blood normally, which is called atrioventricular block. Atrioventricular block can occur in different parts of atrioventricular node, his bundle and bundle branch. According to the degree of block, it can be divided into primary, secondary and tertiary atrioventricular block. The clinical manifestations, prognosis and treatment of three types of atrioventricular block are different.


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