15 results
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung ... diseases LIP ... I-JIP: usual interstitial ... AIP: acute interstitial ... #Rheumatology #
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Limitation • Interstitial ... lung disease ... Hypoventilation Syndrome ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease, Interstitial ... Lung Disease ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... lung disease (RB-ILD ... Churg Strauss syndrome ... #Lung #Diseases ... ILD #diagnosis #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... oxygen • Causes: Interstitial ... lung diseases, ... hepatopulmonary syndrome ... #Differential #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... in many cases UIP ... Diagnosis #Radiology #Pulmonary
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... lung disease (i.e ... predominance: UIP ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pulmonary ... • Interstitial lung ... , SLE • Pulmonary ... #joint #pain #differential ... #diagnosis #rheumatology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... in the adjacent lung ... of the affected lung ... Diagnosis: • HRCT ... #differential #
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
Scleromalacia perforans • Pulmonary ... : Parenchymal lung ... Renal: Tubulo-interstitial ... nephritis, AA amyloid ... Thrombocytosis, Felty's syndrome