Uses

• To increase depth of anæsthesia rapidly when volatile agents are being administered. It increases depth of respiration and helps to overcome breath-holding and bronchial.
• To facilitate blind intubation in anæsthetic pratice.
• To facilitate vasodilatation and thus lessen the degree of metabolic acidosis during the induction of hypothermia.
• To increase cerebral blood flow in arteriosclerotic patients undergoing surgery.
• To stimulate respiration after a period of apnoea.
• In chronic respiratory obstruction after it has been relieved.
• To prevent hypocapnia during hyperventilation.
• For clinical and physiological investigation.
• In gynæcological investigation for insufflation into fallopian tubes and abdominal cavities.