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100% Oxygen at normal pressure is an alternative

BMJ 1994; 309 doi: (Published 09 July 1994) Cite this as: BMJ 1994;309:124
  1. J F Nunn
  1. Northwood, Middlesex HA6 2LJ.

    EDITOR,—Two aspects of the management of patients who refuse blood transfusion deserve emphasis.1 The first point concerns the administration of 100% oxygen at normal pressure. When a patient is breathing air the concentration of oxygen in solution in arterial blood is only about 3 ml/l. This compares with a concentration …

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