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P波离散度是指同步记录的 1 2导联心电图中 ,不同导联中测定的 P波最大时限与 P波最小时限的差值 ,多数人该值 40 ms,当其 40 ms时 ,提示心房内存在非均质性电活动 ,进而能引发房性心律失常和心房颤动 ,是体表心电图诊断的一个新指标〔1〕。急性心肌梗死 ( AMI)患者病程中有
P wave dispersion refers to the simultaneous recording of 1 2 lead ECG, measured in different lead P wave maximum time limit and P wave minimum time difference, the majority of the value of 40 ms, when it is 40 ms, suggesting that the atrium Memory heterogeneity in the electrical activity, which can lead to atrial arrhythmia and atrial fibrillation, is a new indicator of body surface ECG diagnosis 〔1〕. Acute myocardial infarction (AMI) in patients with disease course