This case system provides a kind of Handheld electrocardio detecting device to capture the electro-cardio signal of user,It includes at least two electrodes,To contact the skin surface of user respectively,To capture electro-cardio signal,One analogy signal processing unit,To receive the electro-cardio signal captured,One processor,The electro-cardio signal is captured and handles to control electro-cardio signal,One display unit,To show the result of the electro-cardio signal through processing and the information of other related ECG detection devices,One battery,Required electric power is operated to provide,And a physical state detecting unit,To perceive at least one generated physical change when contacting user's skin surface of the grade electrodes,And the processor judges whether the physical change meets a preset range,To obtain a judging result,And the acquisition or processing mode of the electro-cardio signal are determined based on the judging result.本案係提供一種用以擷取使用者之心電訊號的手持式心電檢測裝置，其包括至少二電極，用以分別接觸使用者之皮膚表面，以擷取心電訊號，一類比訊號處理單元，用以接收所擷取之心電訊號，一處理器，用以控制心電訊號擷取並處理該心電訊號，一顯示單元，用以顯示經處理之心電訊號的結果及其他相關該心電檢測裝置之資訊，一電池，用以提供操作所需電力，以及一物理狀態偵測單元，用以感知該等電極之至少其中之一在接觸使用者皮膚表面時所產生的一物理變化，且該處理器會判斷該物理變化是否符合一預設範圍，以得出一判斷結果，並以該判斷結果作為基礎而決定該心電訊號的擷取或處理方式。
