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Missouri imposes maintenance regulations on AED programs to ensure their effectiveness. Under the Good Samaritan law, all AED program participants except physician medical directors are protected, but solely for AED-related activities. Immunity from liability is not contingent upon compliance with specified maintenance requirements. Notably, Missouri does not mandate the placement of AEDs in specific locations, leaving discretion to individual entities. This approach aims to balance safety measures with flexibility, allowing organizations to tailor AED deployment based on their unique needs and circumstances.

Missouri Law Key Takeaways



Good Samaritan Law
Good Samaritan protection shields individuals utilizing an AED, the site's responsible parties, the AED owner, and the overseeing physician from civil liability. Those who offer emergency care through an AED in good faith and without compensation are immune from civil damages. This legal safeguard encourages prompt and compassionate responses to emergencies, ensuring that those who volunteer their assistance are not unduly burdened by potential legal consequences. It promotes a sense of civic duty and fosters a community-oriented approach to emergency response, ultimately enhancing public safety and well-being.
AED Training
An AED acquirer is required to ensure that expected users receive CPR/AED training.
AED Maintenance
AED acquirers should ensure that the AED is maintained and tested according to the manufacturer's operational guidelines. The AED's location should be reported to local EMS.
Medical Oversight
An AED owner is also required to have a physician review and approve the clinical protocol for the use of the AED.
Life Support Ambulances
In Missouri, all basic life support ambulances and stretcher vans must carry AEDs and have at least one trained staff member. This ensures quick response to cardiac emergencies.

Missouri Statutes and Regulations

1. This section shall be known and may be cited as the “Public Access to Automated External Defibrillator Act”.

2. A person or entity that acquires an automated external defibrillator shall:

(1) Comply with all regulations governing the placement of an automated external defibrillator;

(2) Ensure that the automated external defibrillator is maintained and tested according to the operation and maintenance guidelines set forth by the manufacturer;

(3) Ensure that the automated external defibrillator is tested at least every two years and after each use; and

(4) Ensure that an inspection is made of all automated external defibrillators on the premises at least every ninety days for potential issues related to the operation of the device, including a blinking light or other obvious defect that may suggest tampering or that another problem has arisen with the functionality of the automated external defibrillator.

3. Any person who gratuitously and in good faith renders emergency care by use of or provision of an automated external defibrillator shall not be held liable for any civil damages or subject to any criminal penalty as a result of such care or treatment, unless the person acts in a willful and wanton or reckless manner in providing the care, advice, or assistance. The person who or entity that provides training to the person using an automated external defibrillator, the person or entity responsible for the site where the automated external defibrillator is located, and the person or entity that owns the automated external defibrillator shall likewise not be held liable for civil damages or subject to any criminal penalty resulting from the use of an automated external defibrillator.

4. All basic life support ambulances and stretcher vans operated in the state of Missouri shall be equipped with an automated external defibrillator and be staffed by at least one individual trained in the use of an automated external defibrillator.

5. The provisions of this section shall apply in all counties within the state and any city not within a county.

*Codes and regulations cited from Justia US Law.

Note: This page serves as an educational resource on Automated External Defibrillators (AEDs) and related legal frameworks. provides this content for general knowledge purposes and does not claim it to be exhaustive or infallible regarding interpretations of AED laws. It should not be considered legal counsel. We invite you to contact us for detailed guidance on complying with AED regulations specific to your location.

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