Chest lead fixing device for electrocardiogram

The utility model discloses a chest lead fixing device for an electrocardiogram, which belongs to the technical field of electrocardiogram detection, mainly aims at solving the problems that circuits of an existing fixing device are scattered, the circuits cannot be fixed, and a connector is easy to fall off, and adopts the following technical scheme that the chest lead fixing device comprises a mounting table, the placing plates are uniformly distributed on the mounting table, a mounting seat is arranged on the mounting table, a fastening assembly is arranged on the mounting seat, the fastening assembly comprises a rotating cylinder, the rotating cylinder sleeves the mounting seat, a mounting plate is arranged on the rotating cylinder, a fixing hook is arranged on the mounting plate, a supporting rod is arranged on the mounting plate in a penetrating manner, and an extrusion spring is arranged on the supporting rod; an extrusion plate is arranged at the bottom ends of the multiple supporting rods; through th