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Supplemental oxygen does not reduce mortality in patients with suspected myocardial infarction, finds study

BMJ 2017; 358 doi: https://doi.org/10.1136/bmj.j4108 (Published 01 September 2017) Cite this as: BMJ 2017;358:j4108
  1. Susan Mayor
  1. London

Routine use of supplemental oxygen in patients with suspected myocardial infarction (MI) who are not hypoxic is associated with no reduction in mortality at one year, a randomised trial has found.1

Supplemental oxygen has been used routinely in patients with suspected MI for more than a century and is recommended in clinical guidelines. The rationale behind …

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