20 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... responses of the lung ... indicates unknown cause ... and interstitial ... Radiology #Pulmonary #CTChest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest ... Diagnosis #Algorithm #Causes
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... On a Chest X-Ray ... lung disease and ... detected on a chest ... seen and in many cases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... level seen • Chest ... Clindamycin in case ... westermani • Other: TB ... #differential #causes
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
Massive Fibrosis on Chest ... Fibrosis is a chronic interstitial ... lung disease with ... pneumoconiosis which is caused ... Massive #Fibrosis #Chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Legionella: • Nausea ... factor • May cause ... infiltrates, mimicking TB ... fever, rales, interstitial
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Pericarditis) -> Chest ... friction rub audible Lungs ... Dyspnea, pleuritic chest ... inflammation tends to cause ... interstitial lung
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Lymphocytic or lymphoid interstitial ... /- High res CT chest ... Fungal, AFB), TB
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... this is nodular interstitial ... lung disease, that ... Consolidation #Causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... • Infection: TB ... in the adjacent lung ... of the affected lung