4 important considerations for victims of collapsed structures

Rescuers need to anticipate specific medical problems and patient needs as they prepare to encounter patients in a collapsed structure or debris pile

We are often given little to no warning when our medical skills could be pressed into service for a catastrophe like a tornado or earthquake. When a natural disaster strikes, first responders need to keep the following tips in mind as they continue to sift through the rubble, should they encounter survivors.

1. Anticipate hypovolemia

Victims who are found days into a rescue effort are bound to be hypovolemic. Simple lack of access to a water source certainly plays a role in the dehydration, but it can also be due to hemorrhage and the rapid shift of extracellular fluid into damaged and crushed tissue that tends to occur when limbs are trapped underneath debris. The crush injury itself also brings its own set of problems, including hyperkalemia from the massive release of this normally intracellular ion, when large muscle groups are compressed or destroyed with its resultant cellular damage and release of its contents into the bloodstream.

7 patient management concerns for victims of a building collapse
7 patient management concerns for victims of a building collapse (AP Photo/Kathy Willens)

2. Expect hypothermia

Many of these victims will also be hypothermic especially if they are trapped on concrete, which tends to act as a heat sink stealing away much needed body warmth for survival. In addition, because these victims also have no access to food sources, they can be relatively hypoglycemic as well.

3. Begin patient care as extrication is planned

Rescuers who encounter survivors must also immediately consider respiratory and ocular dust impaction. Being able to provide a victim with water, wipes and perhaps even a dust mask, if appropriate, can provide an immediate sense of relief and comfort while the formal rescue and extrication is being planned.

Meanwhile, the victim can be prepared for rescue by optimizing their physiologic status as much as possible by receiving IV crystalloid resuscitation, presumptive treatment of hyperkalemia and/or hypoglycemia, and correcting body temperature if at all possible.

4. Coordinate extrication and medical care

Once rescuers are, in fact, ready to free victims trapped in the rubble, it will be critically important for them to coordinate the effort with medical personnel, particularly if the victim is thought to also have crush syndrome, so as to optimize the victim’s physiologic status prior to the “lift” of the debris. Without this coordination of care, the victim may suffer a sudden and fatal release of potassium and other cellular debris into the bloodstream when the affected limb is suddenly freed.

These basic tenets of medical care for victims trapped in a rubble pile can be applied not only to major earthquakes, but to other structural collapse scenarios as one may see after a large tornado, hurricane or other event causing structural failure. Take the time to discuss your local disaster medical plan with your agency leadership.

This was originally posted Apr. 27, 2015. It has been updated. 

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