But not all silent heart attacks result in Q-waves.
但是不是所有无症状性心脏病发作都导致Q波的变化。
And they found that these so-called non-Q-wave heart attacks were three times more common than silent heart attacks with Q-waves.
他们发现这种被称为无Q波的心脏病发作次数是有Q波的无症状性心脏病发作次数的4倍。
These recults indicate that body surface ECG reflects the changes of Q and R waves on the epicardium with some limitation.
提示体表心电图对反映心外膜面的Q波和R波变化尚有一定局限性。
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