11 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
of Lung Findings ... on Chest CT 1. ... ARDS 3. ... #Lung #Pulmonary ... #ChestCT #radiology
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... congestion with hypoxemia ... edema must be present ... be detected on CT ... or CXR ● PaO2/
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... #Chest #Radiology ... #CXR #clinical ... #CT
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
CT • Thickened ... DDx: PAP, pulm edema ... pna, pulm hge, ARDS ... #Lung #Pulmonary ... #diagnosis #radiology
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
edema must be present ... on a chest radiograph ... computed tomographic (CT ... lobar collapse, lung ... severity of the hypoxemia
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... embolism, Pulm edema ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
: weight gain, lung ... HFrEF may lack lung ... Chest x-ray: signs ... → no signs of CXR ... diagnosis #management #cardiology
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... typical eggshell pattern ... #CXR #Chest #XRay ... #labeled #pulmonary
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
position Obstructive lung ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #Pulmonary #Edema ... #AlveolarEdema