Nitrous oxide-oxygen analgesia and anaesthesia in normal labor and operative obstetrics . ^ stimuli under light anaesthesia. C—After opera-tion on removal of the chloroform, especially after a short operation. As all these conditions are met with in the use of chloroform in labor, dueprecaution should be exercised at all times. [18] Blood Changes under Anaesthesia and Analgesia % The De-crease OF Blood Catalase by Various Anaesthetics % NitrousOxide-Oxygen and the Alkali Reserve % Circulatory Distur-bances % Further Experimental Studies on the Effects ofAnaesthetics in Shock % Blood Pressure R
Nitrous oxide-oxygen analgesia and anaesthesia in normal labor and operative obstetrics . ^ stimuli under light anaesthesia. C—After opera-tion on removal of the chloroform, especially after a short operation. As all these conditions are met with in the use of chloroform in labor, dueprecaution should be exercised at all times. [18] Blood Changes under Anaesthesia and Analgesia % The De-crease OF Blood Catalase by Various Anaesthetics % NitrousOxide-Oxygen and the Alkali Reserve % Circulatory Distur-bances % Further Experimental Studies on the Effects ofAnaesthetics in Shock % Blood Pressure Reactions as an Indexof the Patients Resistance, Operative Shock and the DegreesOF Circulatory Depression % Relation of Muscular RelaxationTO Circulatory Depression and Certain Contra-Indications %. N VIEW OF THE FACT that women in labor presentmany and varied forms of blood diacrasies, it is impxirtantto remember that all anaesthetics cause changes in theblood. Theodore D. Casto, of Philadelphia, in reportinghis experimental researches in Blood Changes underAnaesthesia and Analgesia, before the Academy ofStomatology, the Panama-Pacific Dental Congress and the Third AnnualMeeting of the Interstate Anaesthetists, summarized his conclusions as follows: Blood Changes under Anaesthesia and Analgesia.—Thebibliographic review of this subject, supplemented by experiments on humanand animal subjects, would indicate that haemoglobin is always reduced underanaesthesia by chloroform, ether or nitrous oxide-oxygen. Haemoglobin ismarkedly reduced under ether and the greatest reduction in pigment is at theend of 24 hours, after which there is a gradual return to normal in about 100hours. Under nitrous oxide-oxygen anaesthesia the reduction is not onlyslight but the return to normal occurs in
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