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Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Lobar pneumonia ... Diagnosis #Radiology #CXR ... #Lobar #Consolidation
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... Evaluation: Imaging (CXR ... /- High res CT chest ... diagnosis #evaluation #differential
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... patients, who have an acute ... infection, ARDS ... #CXR #Diffuse #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
between acute consolidation ... Neoplasm with lobar ... - Chronic post-infection ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... and dyspnea • Lobar ... infiltrates or lobar ... #HIV #AIDS #pulmonary
Pulmonary sequestration
This is an uncommon cause of lobar consolidation.
It is a congenital abnormality.
A nonfunctioning part of
is an uncommon cause ... of lobar consolidation ... with recurrent infection ... Clinical #Radiology #CXR ... #CtChest #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... Physical stigmata of cor ... , CCP, ANCA • HIV ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung #Abscess #pulmonary ... #differential # ... causes #management
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Syndrome - Summary Acute ... AIDP that presents ... response preceding infection ... Campylobacter jejuni - HIV ... Life threatening labile