The Berlin Definition of Acute Respiratory Distress ...
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The Berlin Definition of Acute Respiratory Distress Syndrome (ARDS)



Chest imaging - Bilateral opacities—not fully explained by effusions, lobar/lung collapse, or nodules 

Origin of edema - Respiratory failure not fully explained by cardiac failure or fluid overload. Need objective assessment (eg, echocardiography) to exclude hydrostatic edema if no risk factor present 



 - Mild - 200 mm Hg < PaO2 / FiO2 <= 300 mm Hg with PEEP or CPAP >=5 cm H2O

 - Moderate - 100 mm Hg < PaO2 / FiO2 <= 200 mm Hg with PEEP >=5 cm H2O

 - Severe - PaO2 / FiO2 <= 100 mm Hg with PEEP >= 5cm H2O



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Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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