20 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... heart failure, COPD ... Evaluation: Imaging (CXR ... /- High res CT chest ... diagnosis #evaluation #differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns #Differential ... #Diagnosis #pulmonary
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Pseudo-cellulitis / "CAP ... Fungal, Parasite Natural ... Source control (abscess ... • Secondary to Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... necrosis (7-14 days later ... Blood cultures • CXR ... early disease) • CXR ... #pulmonary #differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
respond to the treatment ... organizing pneumonia (OP ... OP is organizing ... called cryptogenic (COP ... #CXR #Consolidation
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... spread of MTB infection ... • Cavitation, Abscess ... #TB #Patterns #chest ... clinical #radiology #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... Laboratory: • ANA, RF, CCP ... mycobacteria Treatment ... #differential #
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... organizing pneumonia (OP ... proteinaceous material ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... interstitial pneumonia; OP ... pneumonia; PZ, pulmonary ... hypersensitivity pneumonitis, infection