Nitrous oxide-oxygen analgesia and anaesthesia in normal labor and operative obstetrics . TROUS OXIDE IS the IdealAgent for the Relief ofPain in Labor, Because it isInhaled like Air, is Practi-cally Odorless, Almost In-stantaneous IN ITS Action onTHE Patient, and is Eliminated so QuicklyTHAT the Gas has Left the Body by the TimeTHE Next Pain is Due % It is Difficult toConceive of an Agent which can be Used toTreat each Individual Pain, so that at AnyMoment of Labor, when More SufferingOccurs, a Greater Dosage of the AnalgesicCAN be Instantly Administered, or with LessPain it may be Reduced at
Nitrous oxide-oxygen analgesia and anaesthesia in normal labor and operative obstetrics . TROUS OXIDE IS the IdealAgent for the Relief ofPain in Labor, Because it isInhaled like Air, is Practi-cally Odorless, Almost In-stantaneous IN ITS Action onTHE Patient, and is Eliminated so QuicklyTHAT the Gas has Left the Body by the TimeTHE Next Pain is Due % It is Difficult toConceive of an Agent which can be Used toTreat each Individual Pain, so that at AnyMoment of Labor, when More SufferingOccurs, a Greater Dosage of the AnalgesicCAN be Instantly Administered, or with LessPain it may be Reduced at Once % Yet thisIS Precisely what can be Done with NitrousOxide % —E. I. McKesson. [40] Nitrous Oxide-Oxygen Obstetrical Anaesthesia % The GuidingSigns and Symptoms for Light, Normal and Profound Anaes-thesia % Technique of Administration % The Zones of Anal-gesia AND Anaesthesia without Supplemental Narcosis % TheQuestion of Rebreathing % Fractional Rebreathing and itsPractical Application % Effects % Opinions on RebreathingIN Obstetrical Analgesia and Anaesthesia % Its Evaluation %. HILE NORMAL LABOR and many obstetrical opera-itons can be conducted under intermittent or continuousanalgesia or light anaesthesia, some procedures absolutelyrequire complete surgical narcosis. Consequently itwould seem advisable to enlarge on the technique of ni-trous oxide-oxygen anaesthesia, before proceeding further. Nitrous Oxide-Oxygen Obstetrical Anaesthesia.—In ih lastanalysis successful nitrous oxide-oxygen obstetrical anaesthesia depends on theadministration of such a proportionate mixture of the gases as will effect com-plete anaesthesia and sufficient relaxation, without untoward complications. There are a few elements in the administration of nitrous oxide-oxygenanaesthesia, which are of such fundamental importance that uniform successcannot be obtained without their guidance. The condition of the patient as to the state of anaesthesia is controlledentirely by the mixture administe
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