An artificial system designed to provide oxygen in an environment that lacks oxygen.
The equipment and special procedures used for life support.
Means of sustaining existence or continuation of something, usually in an artificial manner when it should have changed or terminated in its natural environment.
Maintenance of vital functions of a critically ill or comatose person or a person undergoing surgery.
A machine that moves breathable air into and out of the lungs of a patient who is unable to breathe sufficiently.
A device that circulates fresh air and expels stale or noxious air.
Some behaviour or happening that relieves a tense atmosphere or situation.