22 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... CT 1. ... ARDS 3. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Attenuation on Chest ... attenuation seen on a chest ... BO, CTEPH, PJP, CEP ... , HP, COP https ... #Lung #Pulmonary
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
proteinosis, but later ... Sarcoid - NSIP - Organizing ... pneumonia (COP/ ... Bronchoalveolarca (BAC) - Pulmonary ... Clinical #Radiology #CTChest
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
• Labs: CBC, cr ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... CT • Bronchoscopy
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... HiRes #HighRes #Chest ... #CT #Patterns #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... heart failure, COPD ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... leading to increased pulmonary ... consistent with pulmonary ... be detected on CT ... or CXR ● PaO2/
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
aspergillosis; AIS ... adenocarcinoma in situ; COP ... , cryptogenic organising ... interstitial pneumonia; OP ... , organising pneumonia
Barrel Chest Appearance on Lateral Chest Xray
Typically seen in the setting of chronic air-trapping in COPD

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Barrel Chest Appearance ... on Lateral Chest ... air-trapping in COPD ... EricsMedicalLectures/ #Barrel #Chest ... #Xray #CXR #Lateral
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Reverse-Halo Sign) on Chest ... CT • Central GGO ... consolidation • DDx: COP ... Reverse #Halo #Sign #CT ... #Lung #Pulmonary