Conclusion
heat loss
COLD
In the volunteer studies, it could be shown that the attempt to keep entrapped victims warm with halogen radiators does not work sufficiently. In contrast, clinically used forced air warmers work reliably even under cold ambient temperatures and are highly effective in warming subjects. It was also shown that under the used standardised experimental setting these devices are clearly superior to the passive warming method using a disposable fleece blanket. However, by using a disposable fleece blanket, heat loss can be stopped, at least in healthy subjects. From our point of view the widely used woollen blanket is an acceptable alternative for fleece that was used in our study and our finding will motivate its use in technical rescue.