Emergency Response:

§ 8.01-225

A. Any person who:

1. In good faith, renders emergency care or assistance, without compensation, to any ill or injured person (i) at the scene of an accident, fire, or any life-threatening emergency; (ii) at a location for screening or stabilization of an emergency medical condition arising from an accident, fire, or any life-threatening emergency; or (iii) en route to any hospital, medical clinic, or doctor’s office, shall not be liable for any civil damages for acts or omissions resulting from the rendering of such care or assistance. For purposes of this subdivision, emergency care or assistance includes the forcible entry of a motor vehicle in order to remove an unattended minor at risk of serious bodily injury or death, provided the person has attempted to contact a law-enforcement officer, as defined in § 9.1-101, a firefighter, as defined in § 65.2-102, emergency medical services personnel, as defined in § 32.1-111.1, or an emergency 911 system, if feasible under the circumstances.

2. In the absence of gross negligence, renders emergency obstetrical care or assistance to a female in active labor who has not previously been cared for in connection with the pregnancy by such person or by another professionally associated with such person and whose medical records are not reasonably available to such person shall not be liable for any civil damages for acts or omissions resulting from the rendering of such emergency care or assistance. The immunity herein granted shall apply only to the emergency medical care provided.

Automatic External Defibrillator:

§ 8.01-225

A. Any person who:

6. In good faith and without compensation, renders or administers emergency cardiopulmonary resuscitation (CPR); cardiac defibrillation, including, but not limited to, the use of an automated external defibrillator (AED); or other emergency life-sustaining or resuscitative treatments or procedures which have been approved by the State Board of Health to any sick or injured person, whether at the scene of a fire, an accident, or any other place, or while transporting such person to or from any hospital, clinic, doctor’s office, or other medical facility, shall be deemed qualified to administer such emergency treatments and procedures and shall not be liable for acts or omissions resulting from the rendering of such emergency resuscitative treatments or procedures.

http://law.lis.virginia.gov/vacode/title8.01/chapter3/section8.01-225/