14 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
lethargy, fever • Disseminated ... • Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... : • Chest pain
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... varicella - Disseminated ... diagnosis #pulmonary #CXR ... #clinical #CT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... film and can suggest ... #Clinical #Radiology ... #CXR #CTChest #
Left-Middle-Lobe Pneumonia - Radiography of the chest revealed a cardiac apex, aortic arch, and gastric bubble
Radiography of the chest ... infiltrate in the left lung ... #Clinical #Radiology ... #CXR #Kartagener ... #NEJM
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Signs/Symptoms: ... • Pleuritic chest ... infiltrate by chest ... radiograph or CT ... Yield of blood CX
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... consolidation • DDx: COP ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... areas where the lung ... the silhouette sign ... #Clinical #Anatomy ... #Radiology #CXR
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... effusions in both lungs ... Biopsy of the lung ... #NEJM #clinical ... #radiology #CT #
The contours of the left and right diaphragm should be visible.
The right diaphragm should be visible
to the anterior chest ... the air in the lungs ... left diaphragm can ... #Clinical #Anatomy ... #Radiology #CXR
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... coughed up, a cavity can ... be seen on the chest ... #Clinical #Radiology ... #CXR #CTChest #