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Here are the most common examples of these four patterns on a chest x-ray (click image
Lobar consolidation ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... edema - filling ... #Clinical #Diagnosis ... #Radiology #CXR ... #Lobar #Consolidation
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... is pulmonary edema ... from the various causes ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... - Lobar or focal ... pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
embolism, Pulm edema ... Evaluation: Imaging (CXR ... +/- High res CT ... Ag, Urine Histo ... HIVAIDS #workup #diagnosis
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Coccidioides spp., Cryptococcus ... edema; ARDS, Metastatic ... Sarcoma • Focal Consolidation ... #differential #diagnosis ... #chestCT #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... consolidation or ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
edema. ... disease and causes ... pressure resulting in edema ... #Diagnosis #Radiology ... #CHF #CXR #Features
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
status and low urine ... with presence of pulmonary ... edema (“B-lines ... the determined cause ... #heartfailure #chf
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... of prior silent pulmonary ... flucytosine for 14 days, consolidation ... of K+ & Mg in urine ... Brain #clinical #radiology