[The temperature reaction of rabbits to local microwave exposures].

A rapid increase of skin temperature after discontinuation of local microwave (MW) exposure of the heart and thyroid indicates a vasomotor response in the exposed and adjacent zones. The infrared radiation (IR) of the particular parts of skin surface before and after local MW exposures (460 MHz, current density 10, 120 and 230 mW/cm2) of the rabbit heart and thyroid regions was registered by IR thermograph. The investigations were performed on un-narcotized, narcotized (nembutal 40 mg/kg) animals, on rabbits with anaesthetized skin receptors (lidocaine 100 mg) and on carcasses. The changes observed depended on the exposure site, functional status of the rabbits and MW current density. The energy-depending reactions are attributed to direct myocardial reactions and extracardiac vegetative responses in the cardiac and thyroid exposures, respectively.