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心电向量的T环代表了左右心室同一时刻恢复电位的总和,因此,正常T环是由左心室产生的向左T环加上右心室产生的向前T环的合量,这两个复极现象的总和
The T-ring of the ECG vector represents the sum of the recovery potentials of the left and right ventricles at the same time. Therefore, the normal T-ring is the sum of the left T-ring plus the forward T-ring produced by the right ventricle. The sum of the polar phenomena