9 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... predominance: Respiratory ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... Progressing to diffuse alveolar ... structures help in the differential ... oedema due to heart ... #Clinical #Radiology
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... edema: bilateral ... edema. ... #Clinical #Radiology ... #Pulmonary #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... , Alveolar Proteinosis ... Hypersensitivity Pneumonitis, Respiratory ... Crazy Paving: Alveolar ... #radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... : Atelectasis, ARDS ... Edema, Atelectasis ... #AA #Gradient #alveolar ... Hypoxia #hypoxemia #differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Differential Diagnosis ... interstitium and alveoli ... failure or ARDS ... infiltrates on chest ... #differential #diagnosis
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
Bronchoalveolarca (BAC) - Pulmonary ... hemorrhage - Edema ... heart failure, ARDS ... , AIP) #Clinical ... #Radiology #CTChest
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
capillary leak like in ARDS ... #Clinical #Radiology ... #CTChest #CHF # ... Alveolar #Pulmonary ... #Edema #AlveolarEdema
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... tolerance, and ankle ... Chest x-ray: signs ... Kerley B lines, alveolar ... Inhibitors and ARBs