475.123.  Medical and surgical procedures — consent — emergency. — 1.  No medical or surgical procedure shall be performed on any ward unless consent is obtained from the guardian of his person except as provided in subsections 2 and 3 hereof.

  2.  If the life of the ward is threatened and there is not time to obtain consent, a medical or surgical procedure may be performed without consent after the medical necessity for the procedure has been documented in the medical record of the ward.

  3.  If the life of a person is threatened and his consent to a necessary medical or surgical procedure  cannot be obtained, a court, on petition filed pursuant to section 475.060, after hearing, may authorize consent on behalf of such person.

  4.  Any hearing conducted pursuant to subsection 3 of this section, involving a life threatening medical emergency, may be conducted within or without the county at the medical facility where the person has been admitted with such notice and in such form as is practicable considering the time limitations imposed due to the condition of person.  The fact of attempted oral notice to persons interested in the welfare of the person shall be made a part of the record of the hearing.