16 results
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... usually multiple ill-defined ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
In chronic disease ... (OP) or chronic ... proteinaceous material ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework Disease ... • Pleuritic CP ... Infections #HIV #AIDS #pulmonary ... #differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... Renal #Syndrome #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Evaluation: Imaging (CXR ... /- High res CT chest ... Infectious Diseases ... diagnosis #evaluation #differential
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... ; PZ, pulmonary ... respiratory tract disease ... with symmetrical bilateral ... #Diagnosis #Pulmonary
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... it is seen in pneumonias ... in chronic lung disease ... Diagnosis #Radiology #CXR ... #Batwing #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... rarely typical pneumonia ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Atelectasis, ARDS, Pneumonia ... Obstructive Lung Disease ... , Interstitial Disease ... Hypoxia #hypoxemia #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
necrosis (7-14 days later ... Blood cultures • CXR ... ) • CXR upright ... Lung #Abscess #pulmonary ... #differential #