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Night Rescue

by Marcus
Night Rescue

I bet that the last time you did practical extrication training was probably during the day, in nice weather, not raining or too cold. It just makes sense. It’s a safer, warmer environment, everyone can see and things are generally a whole lot easier for all concerned, especially the person who volunteered to be your casualty. But how can you seriously prepare for Night Rescue extrications that you attend when the elements are not so desirable?

There are many factors that make Night Rescue more challenging. Let’s just consider two for now:

  • Reduced Visibility
  • Reduced Temperature

Reduced Visibility

This fundamental difference will greatly affect your ability to operate at the same pace and still retain the level of safety required on scene. Reduced visibility makes your initial assessment more difficult and therefore more time consuming. Recognizing and managing risk is far more difficult when your ability to see is diminished. Identifying the fuel type of the vehicle and locating casualties will prove more problematic, as will stabilization due to the structural parts of the damaged vehicle being harder to establish. Managing glass will not be a straight forward task. During daylight glass fragments can easily be seen and dealt with, reducing risk to all on scene, but in the case of no daylight, this will be more difficult. Identifying and treating the injuries sustained by your casualty is also far more difficult at night.

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Reduced Temperature

In general night time brings reduced air temperature. The issue here, however, is not really the temperature differential between the two parts of the day, but the rapid exposure to a reduced temperature for both the rescue team and, more importantly, the casualty. Before the impact the occupant would have been warm and comfortable inside the passenger compartment, where the environment is temperature controlled. Immediately following the impact, however, the occupant is now faced with exposure to the outside environment and faces rapid loss of body heat. Due to the loss of glass from the windows during the collision, the cabin will no longer be temperature controlled and, more critically, the casualty is not suitably dressed for being outside. From a medical point of view, exposure to cold (and in particular hypothermia) coupled with trauma is not a good mix, especially when your casualty is suffering from an internal or external bleeding.

So what can you do?

Remember to keep things simple; body temperature in this situation is affected by two major factors: exposure and time. You must concentrate your efforts on keeping both to a minimum, whilst still extricating in a safe manner.

Can we reduce the casualty’s exposure to the environment?
Exposing the casualty to the elements is an consequence of the extrication process; therefore we need to think smarter:

  • Vehicle Positioning – Can this reduce wind exposure (without affecting crew safety)?
  • Multiple use of thermal protection, blankets etc.

When you start to formulate your plan, keep in mind the issue of exposure. For example, if your final extrication plan is a roof removal, consider making this a roof flap. Your cuts can be put in place and the roof flapped at the very last moment, just before the physical extrication takes place. This limits exposure to the elements.

Preparation

A theoretical discussion is a good place to start. Although you cannot deviate from your standard, well-rehearsed approach, you must be prepared for each phase to be a little more complex, challenging, and as a consequence, more time consuming and with a differing risk dynamic. The proper rescue tools can help you to recoup some of this lost time.

Training

Once you have the theory and tools in place, arrange a training session at night. Remember that the fundamental principle that applies to any training event is safety, so walk through each phase of the extrication process and see what practical problems arise, then discuss and work out solutions.

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Rescue at night increases risk and extends time on scene. Realistic training will reduce these.

Conclusion

Realistic training is nothing new. Sometimes we miss the fundamental elements and subtle differences that make it realistic. Rescue at night has a very different dynamic. You must work smarter, practice simultaneous activity and make the most of intelligently designed tools that allow for quick and easy operation. The most important point is to acknowledge that extrication at night increases risk and extends time on scene. Preparation and training will reduce these risks and allow you to focus on the process of rescue. That is why you are there after all.

By Ian Dunbar

Rescue Consultant

Main image: Hurricane Katrina Rescue Staging by Win Henderson / FEMA photo



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