Letters
Oxygen in myocardial infarction
Author’s reply
BMJ 2010; 341 doi: https://doi.org/10.1136/bmj.c3717 (Published 13 July 2010) Cite this as: BMJ 2010;341:c3717
- Dan Atar, professor and head of cardiology1
- 1Department of Cardiology B, Oslo University Hospital Ullevål and Faculty of Medicine, University of Oslo, Oslo 0407, Norway
- dan.atar{at}online.no
I principally recommend following guidelines, even when the studies supporting their recommendations might be weak. In fact, only around 10% of all guideline recommendations in cardiology are based on class A evidence. Let us therefore examine what the three authoritative societies in cardiology recommend …
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