English-Chinese/Electrocardiogram

An electrocardiogram (ECG or EKG) is a record of the electrical activity of the heart over a period of time. It is done by electrodes attached to the outer surface of the skin and recorded by a device outside the body.

心电图（ECG 或 EKG）是 心脏的 一段时间内的 电的 活动的 记录. 它是 通过 附接到 皮肤的 外表面上的 电极 和 由 身体外的 装置 记录的.