Is supplemental oxygen beneficial for normoxic patients with acute myocardial infarction?

BEEM Bottom Line

Why is this study important?

Supplemental oxygen (O2) often is a first line medical therapy, although it is not always beneficial and can be harmful depending on the dose.[1] This review combines the results of randomized controlled trials (RCTs) to determine the overall effect of O2 for patients with acute myocardial infarction (AMI).

Which, if any, threats to validity are most likely to have an impact on the results and how?

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