This article describes two methods of whole-body short-duration hypothermia induction in rats. The first, rapid induction method, employs active cooling using fans and ethanol spray for a rapid decrease in temperature. The second method is a gradual cooling method. This is achieved using the combination of isoflurane anesthesia and the reduction of temperature settings on the homeothermic heat mat. This results in a gradual decrease in core body temperature without the use of any external cooling devices.
Omileke, D., Bothwell, S., Beard, D. J., Mackovski, N., Azarpeykan, S., Coupland, K., Patabendige, A., Spratt, N. Short-Duration Hypothermia Induction in Rats using Models for Studies examining Clinical Relevance and Mechanisms. J. Vis. Exp. (169), e62325, doi:10.3791/62325 (2021).