15 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... know, that the pathology ... anteriorly in the left lung ... Sterptococcus pneumoniae ... SilhouetteSign #RadiologyAssistant
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... polyangiitis (Wegener), Eosinophilic ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
(COP), chronic eosinophilic ... pneumonia and UIP ... HRCT #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... sliding/barcode sign ... Consolidations - "Shred" sign ... #differential # ... diagnosis #signs
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases ... Pneumonia (< 1 ... Pneumonia (> 1 ... #pulmonary #differential ... diagnosis #comparison #table
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... OP) and chronic eosinophilic ... Diagnosis #Radiology #Pulmonary ... #Table #RadiologyAssistant
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... carcinoma of the lung ... hemorrhage) - Pulmonary ... pneumonia, COPD ... #Diagnosis #Table
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... OP) or chronic eosinophilic ... pneumonia, which ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... Differential Bilat ... : Pulmonary edema ... had Mycoplasma pneumonia ... partially seen shred sign