and who in good faith renders cardiopulmonary resuscitation in accordance with the person's training or the direction, other than in the course of the person's regular employment or profession, is not liable for any civil damages as a result of any act or omission, not amounting to gross negligence, by that person in rendering that care.
shall be presumed to have acted other than in the course of the person's regular employment or profession.
NRS 41.500