12 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
congestion with hypoxemia ... Berlin criteria ... edema must be present ... be detected on CT ... or CXR ● PaO2/
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria ... edema must be present ... computed tomographic (CT ... lobar collapse, lung ... severity of the hypoxemia
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... #Chest #Radiology ... #CXR #clinical ... #CT
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
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
Acute onset, Hypoxemia ... edema on imaging ... (eg. chest chest ... CT, or ultrasound ... contributor to the hypoxemia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
blood cells in the lung ... capillaries • Criteria ... respiratory failure or ARDS ... infiltrates on chest ... dyspnea, tachypnea, hypoxemia