“…Tim ~Ar,~ METABOLIC ALTERATIONS which accompany wound trauma and anaesthesia have been studmd by Bourne, Waters, Beecher, Moore, Holaday and others (1)(2)(3)(4)(5)(6)(7)(8)(9)(10). These are the vatal concern of the anaesthehst because the changes due to the stress reactmn are aggravated by hypoxm and acidosis, which are usually the direct result of inadequate pulmonary venhlataon.…”