Choosing a Defibrillator Cabinet

There are many types of defibrillator cabinets available, so why should you choose one style over another?

Firstly decide where you are going to place the defibrillator and for what use. Is it for private access only, behind some form of security, or in a public place available 24/7?

All London Hearts designed cabinets are IP66 rated and suitable for coastal locations and comes with a 10 year warranty.

Colour

All cabinets in a public place should be easily identified and visible, even in low light and dark conditions. Therefore the cabinet should be a light Hi-Vis colour - ie. yellow or white. There are no official regulations on colour currently.

Heated

Cabinets in exposed locations should be heated, or have some other form of protection to stop the defibrillator temperature from dropping too low, generally manufacturer guidelines advise that the operating range is between 0-50°. The chemical reaction within the battery changes in extreme cold and can limit its output and longevity. More importantly the pads attached to the defibrillator use a water based gel which may freeze or become less adhesive, which in turn may make it difficult to attach them to the chest of someone for defibrillation. If heated, and using mains electricity, the appropriate electrical warning symbol needs to be visible on the outside of the cabinet, and the cabinet should be earthed and connected via a Residual Current Device - RCD.

Locked or Unlocked

There has been much debate recently following the statement by the BHF in 2009 regarding defibrillator enclosures, and the recent December 2015 statement by the RC(UK). London Hearts agrees with the position that all defibrillators should be readily available as and when the need arises. In an ideal world these would always be stored in unlocked or otherwise easily accessible locations.

However we also recognise that there are instances where the levels of security are such that it is necessary to have these valuable life saving devices stored in a more secure environment, including locked containers. This is not, as implied in the recent December 2015 RC(UK) statement, to just protect against theft, but also to protect against vandalism, curiosity, weather, mischievousness, and to address the vicarious liabilities for ambulance services and communities. It may also be a condition of any funding agencies. There are several instances of unlocked enclosures being opened and the interior and contents exposed to the elements, resulting in a non-operational status for the defibrillator. To have a fixed view is not beneficial, and flexibility is desirable.

The provision of secured locations, including locked cabinets, is often a requirement to meet legislative, insurance, functional and public finance reasons. It is also unreasonable to assume a community that has fundraised through extensive methods, should allow open access to their owned equipment in areas where crime and vandalism is a concern, without some form of security. 

In the case of cPADs especially in rural locations, a degree of theft prevention may be desirable, as they are not usually in a location with inherent security, as found in some cities, where defibrillators are stored in areas of higher security such as office foyers, train stations, etc. Further, the cabinets, placed in remote locations and exposed to all weathers, require a level of robustness and internal temperature control not necessarily required in cabinets enclosures used in more conventional and, more often than not, ‘sheltered’ PAD sites.  London Hearts works with local ambulance services throughout the U.K. to ensure access to these defibrillators is achieved in the fastest time possible for that environment and location.

Signage

To comply with disability requirements, signage must be such that visually handicapped people, dyslexic, English as a second language, and educationally people can fully understand instructions. Therefore all instructions should be in an easy to understand and clearly visual ICON format not text. The cabinet must also present the international ICLOR defibrillator symbol on the front, in green and standing out from the background colour of the cabinet. Wall signage to support the location is advisable.

Placement & Safety

  • Does this area have a high footfall? A central location? e.g Pub, Village Hall
  • Is it close to a residential area?
  • Is the place safe to stop at for pedestrians and drivers?
  • Is it easy to find e.g on a front wall?

Again to comply with safety and other regulations, cabinets should be available for access by disabled people and placed so the cabinet is approximately 1.10m from the ground and no more than 1.30m. It should be clearly identified by correct signage. Mounting bolts should be appropriate for the location, be strong enough to comply with public liability to prevent the cabinet coming off of the wall, even if climbed on, and be of stainless steel not brass. Always use an RCD device with an isolator switch. Cabinets must adhere to BS7671 wiring regulations for safety, and carry warning symbols. Your electrician must supply a certificate of conformity on installation.

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