Emergency Response:
§ 9-1-27.1
No person who voluntarily and gratuitously renders emergency assistance to a person in need thereof including the administration of life saving treatment to those persons suffering from anaphylactic shock shall be liable for civil damages which result from acts or omissions by such persons rendering the emergency care, which may constitute ordinary negligence. This immunity does not apply to acts or omissions constituting gross negligence or willful or wanton conduct.
Automatic External Defibrillator:
§ 8331.2.
(a) Except as otherwise provided in this section, any individual who is trained to use an automated external defibrillator in accordance with subsection (c) and who in good faith uses an AED in an emergency shall not be liable for any civil damages as a result of any acts or omissions by such individual in using the AED, except any acts or omissions intentionally designed to harm or any grossly negligent acts or omissions which result in harm to the individual receiving the AED treatment.
(c) Training.–For purposes of this section, expected AED users shall complete training in the use of an AED provided by the American National Red Cross or the American Heart Association or through an equivalent course of instruction approved by the Department of Health in consultation with a technical committee of the Pennsylvania Emergency Health Services Council.
(e) Exception.–Any individual who lacks the training set forth in subsection (c) but who has access to an AED and in good faith uses an AED in an emergency as an ordinary, reasonably prudent individual would do under the same or similar circumstances shall receive immunity from civil damages as set forth in subsection (a).
http://webserver.rilin.state.ri.us/BillText17/SenateText17/S0060.htm