2 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone preference ... Sarcoidosis Lower zone preference ... - Aspiration - Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... A-a Gradient Normal ... neuromuscular disease, ↓ chest ... #pulmonary #Aa