Mo. Rev. Stat. § 190.1005: CPR training or courses to include instruction on proper use of automated external defibrillators.

Notwithstanding any other provision of law to the contrary, any training or course in cardiopulmonary resuscitation shall also include instruction on the proper use of automated external defibrillators. Such training or course shall follow the standards created by the American Red Cross or the American Heart Association, or equivalent evidence-based standards from a nationally recognized organization.