BEST EVIDENCE TOPIC REPORTS
BET 3. NORMAL PARTIAL PRESSURE OXYGEN IN ROOM AIR AS A RULE-OUT FOR PULMONARY EMBOLISM
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Report by: Walid Alsalim, Consultant in Emergency Medicine
Search checked by: N Payne, Consultant in Emergency Medicine and K Hogg, Clinical Lecturer in Emergency Medicine
Institution: Ipswich Hospital, Wythenshawe Hospital and Salford Royal Hospital
In [a patient suspected of having an acute pulmonary embolism] can [a normal PO2 in room air] [rule out PE]?
A 24-year-old woman attended the emergency department with a history of pleuritic chest pain, she smokes and takes the pill but otherwise is fit and well. Blood gases in room air were normal. You wonder whether normal arterial oxygen tension in room air is sufficient to rule out pulmonary embolism.
1950 to November week 3 2008 using the OVID interface.
{[exp pulmonary embolism/or pulmonary embol$.mp. or PE.mp. or exp thromboembolism/or pulmonary infarct$.mp.} and [(sensitiv: or diagnos:).mp. or accuracy.tw.] and [oxygen.mp. or exp Oxygen or PO2.mp]}
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