28 results
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
2-view chest 0.02 ... and lateral abdomen ... Head CT 4 mSv ... 200 CXRs Chest ... CT 3 mSv 150 CXRs
On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... of organizing pneumonia ... Patients with OP ... Clinical #Radiology #CTChest ... #Organizing #Pneumonia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... • Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... : • Chest pain
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. ... Bilateral Peripheral ... Organizing Pneumonia ... ChestCT #radiology #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... , COP, Chronic Eos ... #CT #Patterns #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... Chlamydophila pneumoniae ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
- Bilateral peripheral ... with the typical bilateral ... cryptogenic organizing pneumonia ... Clinical #Radiology #CTChest ... #Organizing #Pneumonia
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... also organizing pneumonia ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #Organizing #Pneumonia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... evidence of a chest ... infiltrate (e.g., CXR ... , CT, ultrasound ... #Pneumonia #Venn
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
hypoxemia and bilateral ... week or less ● Bilateral ... be detected on CT ... or CXR ● PaO2/ ... oxygenation in pneumonia