3 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive Lung ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
evaluation - Chest ... X-ray - Lung ultrasound ... look for focal a-lines ... - CBC with differential ... #algorithm #schema
Lung sliding & pneumonia on POCUS
The differential diagnosis for absence of lung sliding includes pneumonia; however,
on POCUS The differential ... that there is a ... #absence #Lung ... POCUS #clinical #ultrasound ... #pulmonary #mimics