The invention relates to a portable multi lead cardiac electrical signal detection device,The utility model comprises a holding shellOne signal processing module and three metal contact points；The signal processing module is arranged in the holding shell,The metal contact point is arranged on the outer side of the holding shell and is electrically connected with the signal processing module；The metal contact points are respectively a body contact pointA left hand contact point and a right hand contact point；So,This creation can measure the beating of the heart from two different directions,It greatly improves the detection ability of portable ECG detection device,In addition, the same 12 lead measurement as that of professional electrocardiograph can be completed by multiple measurements,At the same time, the device shall be controlled at the volume and weight suitable for carrying,So that users can take it with them,Test immediately when the body is not in time.本創作係一種便攜式多導程心電訊號檢測裝置，其包含一握持殼體、一訊號處理模組及三金屬接觸點；訊號處理模組設於握持殼體內，金屬接觸點設於握持殼體的外側面上並且電連接訊號處理模組；金屬接觸點分別為一身體接觸點、一左手接觸點及一右手接觸點；藉此，本創作可時從兩個不同方向對心臟的搏動進行量測，使便攜式心電訊號檢測裝置的檢測能力獲得大幅提升，並且也可利用多次量測的方式完成與專業型心電儀的相同的十二導程量測，同時將裝置控制在適合攜帶的體積及重量，以便使用者能隨身攜帶，在身體不適時即時進行檢測。
