6 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... ARDS 3. ... Consolidation 7. ... Vascular Enlargement ... #CTChest #diagnosis
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
some pulmonary consolidations ... normal-sized heart and vascular ... structures help in the differential ... diagnosis of pulmonary ... #CXR #ChestXRay
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... heart due to a chronic ... pulmonay infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... aspergillosis; AIS ... lesions, lobular consolidation ... #Algorithm
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... centrilobular nodules, or consolidation ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential ... #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Abdominal pain, chronic ... Infections #HIV #AIDS