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。

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

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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。

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.

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我们学习了人体的各个部位：头，耳朵，额头，眼睛，鼻子，嘴，脖子，肩膀，胳膊，手，胸，手腕，膝盖，腿和脚。

We learned the parts of the body: head, ear, forehead, eye, nose, mouth, neck, shoulder, arm, hand, chest, waist, knee, leg, and foot.

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