Shock can be life-threatening, even if the injury is minor. Call 991 (or your local emergency hotline) right away. Symptoms are: cool, clammy skin, shallow breathing, nausea, restlessness. Lay victim on his back and elevate his feet 12” to 18”. Cover to maintain body heat. Give fluids if the victim is conscious and able to swallow. Breathe for the victim if needed.