Before Anesthesia. It is necessary to have an empty stomach before receiving general anesthesia. In most cases, patients are required to abstain from eating and drinking after midnight on the night before their scheduled surgery to reduce the chances of vomiting while under anesthesia. When a person is under general anesthesia, the body does not work normally.
Definition of AMPULLA OF LORENZINI. : any of the pores on the snouts of marine sharks and rays that contain receptors highly sensitive to weak electric fields.
Patent foramen ovale (PFO) is an intracardiac defects, or holes in the heart. It is an abnormal openings in the wall (septum) that separates the two atria, or upper chambers, of the heart. PFO results when a normal opening in the septum fails to close after birth.