Dr Fumito Ichinose, assistant professor of anaesthesia at Harvard Medical School said that if the effects of hydrogen sulphide was confirmed in larger mammals it could be useful in helping to sustain the functionality of organs in patients undergoing cardiac surgery or in patients with severe trauma.

BBC: NEWS | Health | Gas induces 'suspended animation'

First of all, the very sick patients needing immediate and extensive care, people with severe strokes, heart attacks, major trauma and so on.

BBC: "Very significant heat in the system"