18 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
An acute reticular ... This was a PCP-infection ... manifestation of AIDS ... #Clinical #Radiology ... #CXR #Acute #Interstitial
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... spp, Atypical infection ... Microsporidum Non-infectious ... bronchoscopy Infectious ... #Pulmonary #Infections
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... factor • May cause ... #Infections #HIV ... #AIDS #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Opacities: • Infectious ... Nocardia, zoonotic infections ... rarely typical pneumonia ... #clinical #CT
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... weight loss or long ... This was an acute ... #Clinical #Radiology ... #CXR #AirBronchogram
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... be detected on CT ... or CXR ● PaO2/ ... the underlying cause ... oxygenation in pneumonia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
virulent pyogenic infections ... the consolidated lung ... granulomatous infection ... #Clinical #Radiology ... #CXR #CTChest #
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... disease • Infectious ... Chest CT: • Ground-glass ... community-acquired infections
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Infarction - peripheral ... nodular interstitial lung ... #Radiology #CXR