Emergency alarm device for cardiovascular postoperative care

The utility model provides an emergency alarm device for cardiovascular postoperative care, which comprises a movable bedstead, a head positioning seat penetrates through the rear side of the top of the movable bedstead, movable mounting covers are slidably connected to two sides of the movable bedstead and above the head positioning seat, a lifting oxygen mask is fixedly mounted at the top of the inner wall of each movable mounting cover, and the lifting oxygen mask is fixedly mounted on the top of the inner wall of each movable mounting cover. A mattress is placed at the top of the movable bed frame, and the head positioning seat comprises a pillow and two mounting plates; the output end of the first motor is started to rotate positively and negatively to drive the bidirectional threaded rod to rotate positively and negatively, so that the distance between the positioning clamping plates can be adjusted according to the size of the head of a patient, the head of the patient is fixed above a pillow, and the