70 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... , Pulmonary embolism ... Reverse #Halo #Sign ... #Differential #Diagnosis ... #pulmonary
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... Emphysema - Pulmonary ... Patterns #Lung #CXR ... #Differential #Diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis ... #management
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... chest pain) and signs ... #Pneumonia #Venn ... #Pulmonolary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... , Cryptococcal pneumonia ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
The most common diagnosis ... is lobar pneumonia ... the differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... are organizing pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR
There are about a dozen x-ray findings, but two of them are especially important: Loss of
aortic knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... pleura reflection) Pneumonia ... Consolidations - "Shred" sign ... #differential #diagnosis ... #signs #Lung #POCUS
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... radiology #CTChest #diagnosis