26 results
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
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 ... caused by Sterptococcus ... SilhouetteSign #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
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... ILD #diagnosis #differential ... #pulmonary #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... #differential #
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... histiocytosis (PLCH) • Eosinophilic ... leaking out of pulmonary ... Diseases #ILD #Causes ... #Differential #
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on ... Differential Bilat ... : Pulmonary edema ... partially seen shred sign
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... cardiogenic edema, to differentiate ... from the various causes ... Look for other signs ... #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 #Causes
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