A. Any physician-patient relationship that may be created by virtue of an on-call physician or his agent evaluating or treating a patient in the emergency department of a corporation, facility or institution licensed or owned or operated by the Commonwealth to provide health care shall be deemed terminated without further notice upon the discharge of the patient from the emergency department or if the patient is admitted to the corporation, facility or institution, his discharge therefrom, and after completion of follow-up as prescribed by the physician, unless the physician and the patient affirmatively elect to continue the physician-patient relationship.