23 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... the most common pattern ... The cystic pattern ... When the cysts have ... seen and in many cases
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 ... Emphysema - Lung cysts ... low attenuation pattern ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... LowAttenuation #Cystic #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( ... before the typical cysts ... CTChest #Nodular #Pattern ... #Comparison #Table
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... to Acute Interstitial ... sterile pyuria, WBC casts ... proteinuria, granular casts ... MatthewHoMD #Acute
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... repeat testing • Acute ... proteinuria, RBC casts ... #Workup #urology
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
An Approach to Acute ... one of 8 basic patterns ... Medicine #Dyspnea #Acute ... #Workup #Algorithm
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... LorinskyMD #AKI #Acute ... KidneyInjury #simplified #workup
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Differential Diagnosis Algorithm ... Epithelial cell casts ... Obstruction • Cast ... #Causes