22 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... : Amiodarone, Nitrofurantoin ... lung disease (RB-ILD ... Churg Strauss syndrome ... #differential #
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... Algorithm Idiopathic ... • (UIP) Usual ... Radiaition • Drugs: Amiodarone ... #ILD #Causes #Differential
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... computerised tomography; ILD ... = interstitial ... lung disease; IPF ... fibrosis; UIP =
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases ... I-JIP: usual interstitial ... AIP: acute interstitial ... PSS: Sjogren syndrome ... Comparison #Table #Pulmonary
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
- Differential ... Methotrexate, Amiodarone ... #Diagnosis #interstitial ... #lung #disease ... #pulmonary
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
computed tomography; UIP ...  = usual interstitial ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Diagnosis Algorithm ... Limitation • Interstitial ... lung disease ... Hypoventilation Syndrome ... Abnormalities • Chest
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... is seen in: - UIP ... #HRCT #ChestCT ... #Differential #Table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Diagnosis Algorithm ... Acute Coronary Syndrome ... Thickening/Masses Chest ... Interstitium ... • ILD • CHF
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
Lung Toxicity Summary ... respiratory distress syndrome ... Pleuritic chest ... Exclusion of other ILDs ... reticular opacities on chest