11 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
fibrosis, in part ... computerised tomography; ILD ... = interstitial lung ... fibrosis; UIP = ... #Fibrosis
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... fibrosis RR ... #Hypoxia #differential ... #rapid #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... fibrosis (IPF), ... Acute, Chronic • Pulmonary ... #diagnosis #differential ... #pulmonary #causes
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Nail Clubbing - Differential ... Diagnosis Algorithm ... Infection • Lung ... Asbestosis • Cystic Fibrosis ... • Chronic Hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Fibrosis, Interstitial ... Lung Disease ... #Hypoxia #hypoxemia ... #differential #
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... Diagnosis Algorithm ... Interstitial Pneumonia - fibrosis ... #Diseases #ILD ... #Causes #Differential
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... : Cardiac/pulmonary ... , HCC, uterine fibroids ... #Diagnosis #Algorithm
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... Diagnosis Algorithm ... Syndrome • Prader-Willi ... Celiac, IBD) • ... Cystic Fibrosis,
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Causes: • Cystic fibrosis ... evidence of cystic fibrosis ... in the adjacent lung ... #differential #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... throughout the whole lung ... #CTChest #UIP #Comparison ... HypersensitivityPneumonitis #Fibrosis