49 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
PA-film shows a ... silhouette sign ... anteriorly in the left lung ... due to a pneumonia ... #Clinical #Radiology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... Diagnosis Definition: A ... surrounded by a ... Dermatomyositis, Lung
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... - Bilateral A-lines ... pleura reflection) Pneumonia ... #differential # ... diagnosis #signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... Rapid onset of a ... Infections #HIV #AIDS #pulmonary ... #differential #
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... vessel leading into a ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... : Pulmonary edema ... a lot of B lines ... partially seen shred sign ... #Lung #POCUS #clinical
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Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... surrounded by a ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Pneumonia on Lung Ultrasound looks like this: 
A-lines replaced by B-lines in an irregular stepladder appearance
Pneumonia on Lung ... looks like this: A-lines ... termed the Shred Sign ... #ShredSign #clinical ... #pulmonary
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Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
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 ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing #Differential