HANDHELD ELECTROCARDIOGRAPH WITH NEUTRAL ELECTRODE

摘要

A hand held electrocardiograph includes a housing (1). A clamping cover (11) automatically tending to close is provided at one end of the housing (1). A finger hole (6) is provided between the clamping cover (11) and the housing (1). The lower part (14) of the inner wall of the finger hole (6) is arranged on the housing (1). The upper part (15) of the inner wall of the finger hole (6) is arranged on the clamping cover (11). A first electrode (7) is provided on the lower part (14) of the inner wall. A second electrode (10) is provided at the other end of the housing (1). A third electrode (300) is provided on the back of the housing (1). The first electrode (7) or the third electrode (300) is neutral electrode.