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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Annotated on Chest ... lang=us #Lung # ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Extremities - Distributive ... Shock - Bibasilar Lung ... Decompensated Distributive ... Interstitial Fluid Redistribution
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... Metastases: random distribution ... cysts, evenly distribution ... Diagnosis #Radiology #CTChest ... Differential #Comparison #Table
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... BrighamChiefs #Lung ... Differential #Diagnosis #Distribution
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... #Differential #Table ... #Distribution #
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... non-gravity related distribution ... COVID19 #POCUS #Lung ... Ultrasound #Comparison #Table
Summary Table of how the 4 types of shock affect the circulatory system: 
 - Hypovolemic
Summary Table of ... Cardiogenic - Distributive ... Shock #Comparison #Table ... #Cardiogenic #Distributive
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In a normal chest ... supplying the upper lung ... supplying the lung ... applies to chest ... the apex and the lung
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... Peripheral distribution ... #Differential #Table ... #Distribution #
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table