1. Oxygen Therapy in Patients with Acute Myocardial Infarction: A Systemic Review and Meta-Analysis 
Ahmed Abuzaid, MD, Carly Fabrizio, DO, Kevin Felpel, MD, Haitham S. Al Ashry, MD, Pragya Ranjan, MD, Ayman Elbadawi, MD, Ahmed H. Mohamed, MD, Kirolos Barssoum, MD, Islam Y. Elgendy, MD 
The American Journal of Medicine 
Volume 131, Issue 6, Pages (June 2018)
DOI: /j.amjmed
Copyright © 2018 Elsevier Inc. Terms and Conditions

2. Figure 1
Summary of how the systematic search was conducted and eligible studies were identified (PRISMA flow diagram). NS-ACS = non ST elevation-Acute Coronary Syndrome.
The American Journal of Medicine  , DOI: ( /j.amjmed )
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3. Figure 2
Summary plot for all-cause mortality. CI = confidence interval; RR = risk ratio.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2018 Elsevier Inc. Terms and Conditions

4. Figure 3
Summary plot for recurrent ischemia or myocardial infarction. CI = confidence interval; RR = risk ratio.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2018 Elsevier Inc. Terms and Conditions

5. Figure 4
Summary plot for heart failure. CI = confidence interval; RR = risk ratio.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2018 Elsevier Inc. Terms and Conditions

6. Figure 5
Summary plot for arrhythmia. CI = confidence interval; RR = risk ratio.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2018 Elsevier Inc. Terms and Conditions