64 results
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... right hilus is in a ... In the proper clinical ... is most likely a ... #RadiologyAssistant
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
the left we see a ... chest film with ... #CXR #CTChest # ... FingerInGlove #Sign ... #RadiologyAssistant
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Distinct pulmonary ... vessel leading into a ... diagnosis #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... surrounded by a ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
On the left a case ... and an abnormal chest ... #Clinical #Radiology ... #CTChest #Eosinophilic ... #RadiologyAssistant
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Imaging evidence of a ... chest infiltrate ... production, pleuritic chest ... pain) and signs ... #Pneumonia #Venn
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... feeding vessel sign ... The chest film shows ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... Intracardiac, Pulmonary ... Atelectasis, ARDS, Pneumonia
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Lobar pneumonia ... Pulmonary hemorrhage ... Organizing pneumonia ... Consolidation #Causes #RadiologyAssistant