Summary writer: Jorja Braden
Editor: James Edwards
Interviewee: Lauren Troy
James talks to Dr Lauren Troy about the management of the hypoxic patient, a common issue that many junior doctors will face when working on the wards.
Lauren Troy is a Respiratory Physician, working as a Staff Specialist in the Department of Respiratory and Sleep Medicine at Royal Prince Alfred Hospital. She is currently undertaking a PhD in exercise and sleep physiology in interstitial lung disease. Lauren has a strong interest in training and education, with involvement in teaching programs for general practitioners, junior medical officers, basic physician trainees and respiratory advanced trainees. Lauren has been a communications tutor with The Sydney Medical School since 2008 and holds a Clinical Associate Lecturer position with the University of Sydney.
With Dr Lauren Troy, Respiratory Physician at Royal Prince Alfred Hospital, New South Wales, Australia
The hypoxic patient is a common issue that many junior doctors will face when on the wards. Hypoxia can significantly contribute to a patient’s morbidity and mortality and must be managed early. It is therefore important that the junior doctor has a structured approach to the hypoxic patient and sound knowledge of oxygen therapies available for their patients in the hospital setting.
The definition of hypoxaemia: PaO2 less than 80mmHg. Hypoxia and hypoxaemia are often used inter-changeably.
The five major cause of hypoxia are split into two major categories base on the alveolar-arterial gradient(AA)
Case 1 – You are a junior doctor on night shift. You are asked by the nursing staff to review an 86 year old female patient who is day 2 post total hip replacement. The nurse is asking you to review the patient in regards to her low O2 saturations of 92% on room air.
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