An individual who has sustained either irreversible cessation of circulatory and respiratory functions or irreversible cessation of all functions of the entire brain, including the brain stem, is dead. A determination of death shall be made in accordance with accepted medical standards.
Wis. Stat. § 146.71
To determine whether an infant was "born alive" under s. 939.22(16) for purposes of the homicide laws, courts apply this section. State v. Cornelius, 152 Wis. 2d 272, 448 N.W.2d 434 (Ct. App. 1989).