3 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... CXR, CTA Chest, Echocardiogram
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 ... #Hypoxia #hypoxemia ... #differential #
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Chest X-ray - Lung ... look for focal a-lines ... - CBC with differential ... indicated (e.g. echocardiogram ... #algorithm #schema