25 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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The fourth pattern ... low attenuation pattern ... distinguished on the basis ... Radiology #Pulmonary #CTChest ... Differential #Diagram #Comparison
Management Algorithm for Confusion
- Substrate verification, glucose, oxygen checks
- Toxidrome present
- Focal findings on neurologic examination
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Management Algorithm ... criteria - ED testing ... physical examination, basic ... include cranial CT ... Delirium #Management #Algorithm
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
exams), and the chest ... X-ray, one of 8 basic ... patterns of findings ... Acute #Workup #Algorithm
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
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
14th CXRs 2-view chest ... mSv 200 CXRs Chest ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table