What is the criteria for the diagnosis of ARDS?

ARDS is diagnosed clinically using the international consensus criteria (The Berlin Criteria) Essential components required for diagnosis are: PaO2/FiO2 ratio of ≤39.9 kPa / ≤300 mmHg Acute onset (within 1 week of known clinical insult) Bilateral opacities on...

How can the severity of ARDS be classified?

The Berlin Criteria classifies ARDS severity based upon the P/F ratio when on a PEEP of 5  Mild Moderate Severe P/F Ratio (mmHg / kPa) 201 - 300 mmHg (≤ 39.9 kPa) 101 - 200 mmHg (≤ 26.6 kPa) ≤ 100 mmHg (≤ 13.3 kPa) Related Pages: (5.6)...

What are the causes of ARDS?

Traditionally considered as pulmonary and extra-pulmonary causes Ongoing debate about whether the 2 represent different disease processes Practically, treated in the same way Pulmonary (Direct insult to the lungs) PneumoniaAspirationSmoke inhalationPulmonary...

Which conditions can mimic ARDS?

There is a broad range of conditions that can mimic ARDS Particularly important as many have a specific treatment with proven benefit Infective Cryptogenic Malignant Vascular Bacterial Viral Fungal Parasitic Miliary Tuberculosis CytomegalovirusHerpes...

How would you work up this patient?

To Determine Diagnosis Clinical Diagnosis (Berlin Criteria) - all 4 of:PaO2/FiO2 ratio ≤300Acute onset (within 1 week of known clinical insult)Bilateral opacities on CXR (not explained by effusions, collapse, or nodules)Respiratory failure not fully explained by...