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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... Posterior, Anterior • Middle ... radiopaedia.org/cases ... #CT #CTChest #pulmonary ... #clinical #radiology
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... x-ray (click image ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... weight loss or long ... of chronic consolidation ... caused by Streptcoccus ... #Clinical #Radiology
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... and other non-pulmonary ... between these chest ... Lobar pneumonia ... nodular interstitial lung
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... or tumor cells (Table ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Consolidation 7. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura reflection) Pneumonia ... : - Consolidation ... pleura in severe cases ... #POCUS #ultrasound
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... caused by streptococcus ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Table
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... dyspnea • Lobar consolidation ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Infarction • Stable ... /Unstable Angina ... • Myocarditis Pulmonary ... Parenchymal • Pneumonia ... ChestPain #Noncardiac #Cardiology