In addition to the provisions of chapter 129 of NRS and any other instances in which a consent is implied or excused by law, a consent to any medical, surgical or dental procedure will be implied if:
1. In competent medical judgment, the proposed medical, surgical or dental procedure is reasonably necessary and any delay in performing such a procedure could reasonably be expected to result in death, disfigurement, impairment of faculties or serious bodily harm; and
2. A person authorized to consent is not readily available.