Results: Q wave amplitude and Q wave numbers recorded in Head-Chest leads were lower than those recorded by Routine lead ECG.

结果：头胸导联所记录到的Q波数及Q波幅度均显著低于常规导联心电图。

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Objective To observe whether the head-chest leads electrocardiogram (HCECG) is better than the routine 12-leads electrocardiogram (RLECG) in different diagnosis of narrow QRS complex tachycardias.

目的观察在窄qrs波心动过速鉴别诊断时，头胸导联心电图是否优于常规12导联心电图。

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Meer folded his arms over his chest and turned his head away.

米尔把双臂交叠在胸前，扭开头去。

《柯林斯英汉双解大词典》

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