心房扑动的发生机制是右房内的大折返激动。
It is known that the macro-reentry activation in the right atrium is the mechanism of atrial flutter.
房颤的机制是房早驱动的心房内不规则折返；
The mechanism of AF is intra atrial irregular reentry which is driven by APB;
房颤的机制是房早驱动的心房内不规则折返；
The mechanism of AF is intra atrial irregular reentry which is driven by APB;
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