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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Anatomy Annotated on Chest ... Lateral, Medial • Lower ... Inferior lingular • Lower ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Sarcoidosis Lower ... Distribution #Upper #Lower ... #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
Left lower lobe ... suggests this is lower ... cannot see the lower ... to bottom, the lower ... Lobar #Collapse #RadiologyAssistant
Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
Ventricle - Forms the lower ... Ventricle - The lower ... Cardiac #Chambers #RadiologyAssistant
Boerhaave Syndrome 
Postemesis 
Iatrogenic (most common)
Left Posterolateral most common

Mackler's Triad:
Lower Chest Pain
Vomiting
Subcutaneous Emphysema

#Boerhaave #Syndrome #Diagnosis #Signs
Mackler's Triad: Lower ... Chest Pain Vomiting
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
. - Lower zone predominance ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
Ratios Barrel Chest ... Hyperresonance of chest ... dullness, left lower
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Extensive pneumonia in lower
Nuchal Rigidity in Infantile Bacterial Meningitis

Flexion of the neck revealed nuchal rigidity. The patient was unable
was unable to lower ... to his anterior chest
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
GSW to left chest ... window focusing on lower ... chest seen.