18 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... edema due to cardiac ... The other cause ... manifestation of AIDS ... Clinical #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
(COP) Cryptogenic ... • Secondary OP ... - Imaging: • CXR ... Anti-dsDNA, ANCA COP ... #COP #BOOP #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... (COP), Respiratory ... Diseases #ILD #diagnosis ... #differential # ... pulmonary #causes
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... (OP) and chronic ... OP is organizing ... called cryptogenic (COP ... #Pulmonary #CXR
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... • Effusion • Cardiac ... Pulmonary Alveoli • Pneumonia ... • ARDSCOPD ... Neoplasm Pulmonary Interstitium
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... • Pleuritic CP ... fever, rales, interstitial ... Infections #HIV #AIDS
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework ... Lymphangitic Carcinoma, Interstitial ... , COP, Chronic Eos ... Sarcoidosis, NSIP, COP
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... heart failure, COPD ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Disease (Asthma, COPD ... Limitation • Interstitial ... Malformation • Severe Pneumonia
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest