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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Apical, Posterior, Anterior ... Superior, Medial, Anterior ... Apicoposterior, Anterior ... #CT #CTChest #pulmonary ... #clinical #radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Pulmonary Embolism on EKG

- Dr. Josh Farkas  @PulmCrit

Note Right Axis Deviation, T-Wave Inversion on Inferior
Pulmonary Embolism ... and Anterior Leads ... #Pulmonary # ... #clinical #ecg ... electrocardiogram #cardiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
It starts as sinus rhythm with probable inferior STEMI, but becomes ventricular fibrillation (or polymorphic ventricular
with probable inferior ... #Clinical #EM #Cardiology ... #EKG #Arrest #VentricularTachycardia
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the chest the lung ... lie against the anterior ... part of the lung ... #Clinical #Radiology ... Cardiac #Incisura #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
must be located anteriorly ... in the left lung ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... identified in the lung ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest ... TreeInBud #Diagram #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... #Diagnosis #Radiology ... #CXR #Batwing #Differential ... #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
In lung carcinoma ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... Lymphadenopathy #Differential ... #RadiologyAssistant