What should be used to protect a patient during extrication from a vehicle?

Using a short spine board during extrication is important for providing proper immobilization and support to a patient who may have sustained a spinal injury. The primary goal is to minimize movement of the spine to prevent further injury while safely extricating the individual from the vehicle. A short spine board can also help create a barrier against potential debris or sharp objects within the vehicle, which might otherwise cause additional harm to the patient.

In the context of the other options, while they each offer some protective measures, they do not serve the dual purpose of immobilization and protection as effectively as a short spine board. For instance, a wool blanket might provide some cushioning against debris, but it would not offer the necessary spinal support. An oxygen mask can be beneficial in certain scenarios, especially when dealing with inhalation risks, but it does not address the critical need for spine stabilization during extrication. The aluminized rescue blanket could help shield against sharp edges but lacks the structural support needed for a potentially injured spine. Thus, the use of a short spine board is the most comprehensive choice for ensuring patient safety during vehicle extrication.