Monitoring and therapy of patients with endangered or disturbed vital functions in order to restore the functions of vital organ systems under special spatial, personnel and technical conditions with high intensity of treatment (based on Pschyrembel-261); cf. 'intensive care units'; for the (pre-clinical) treatment of acute life-threatening conditions use 'emergency medicine'; use 'traumatology' for the medical branch dealing with wounds and injuries as well as the resulting disability and disorders