5 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... , Interstitial Lung ... UnremarkableLab #AA ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
the severity Acute ... Respiratory Distress ... Syndrome (ARDS) ... #differential #diagnosis ... #signs #Lung #POCUS
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Syndrome (ARDS) ... be present on a chest ... explained by pleural effusions ... lobar collapse, lung ... Definition #Criteria #Diagnosis
The Berlin Definition of Acute Respiratory Distress Syndrome (ARDS)

Chest imaging - Bilateral opacities—not fully explained by
Syndrome (ARDS) ... Chest imaging ... fully explained by effusions ... , lobar/lung collapse ... >= 5cm H2O #Diagnosis
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
exudative pleural effusions ... • Acute toxicity ... (e.g., acute respiratory ... distress syndrome ... Pleuritic chest