3 results
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
DDx: PAP, pulm edema ... pna, pulm hge, ARDS ... Paving #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... : Atelectasis, ARDS ... Edema, Atelectasis ... UnremarkableLab #AA ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... edema must be present ... lobar collapse, lung ... Definition #Criteria #Diagnosis ... #CriticalCare