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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Consolidation - Lobar ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... Diagnosis #Clinical #Radiology
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... there is an ill-defined ... list of causes of chronic ... #Clinical #Radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Hypersensitivity Pneumonitis ... HiRes #HighRes #Chest
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Thickening/Masses Chest ... Neoplasm Pulmonary Interstitium ... • ILD • CHF
Based on the images alone, it is usually not possible to determine the cause of the
like acute or chronic ... between these chest ... Lobar pneumonia ... OP) - multiple chronic ... this is nodular interstitial
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... Pneumonia: • Chest ... Abdominal pain, chronic
On the left a chest film of a patient with UIP due to IPF.
The findings on
On the left a chest ... findings on the chest ... Whenever you see a chest ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Lymphocytic or lymphoid interstitial ... pneumonitis, Abacavir ... in particular) Evaluation ... /- High res CT chest ... #differential #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Hypersensitivity Pneumonitis ... Subacute stage: - RB-ILD ... #CTChest #UIP # ... Fibrosis #Mimic #ILD
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
(e.g., chronic ... interstitial pneumonitis ... Pleuritic chest ... Exclusion of other ILDs ... reticular opacities on chest