32 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Disorders - Evaluation ... depression, Obstructive Lung ... Disease, Neuromuscular ... Disease, PE, Decreased ... #Disorders #Evaluation
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Diseases - STAR ... Pulmonary Diseases ... - Hard metal disease ... fuller’s earth disease ... #diseases #differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Disease - Differential ... , worse at the bases ... Connective Tissue Disease ... disease (nonneoplastic ... #Diseases #ILD
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Mismatch • Airway Disease ... • Parenchymal Disease ... • Interstitial lung ... diseasePulmonary ... Abnormalities • Chest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... Honeycombing Most diseases ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease, Interstitial ... Disease and more ... , Interstitial Lung ... Disease Unremarkable ... Hypoxia #hypoxemia #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Periodontal disease ... dentition/gingival disease ... loss • Late disease ... Gingival crevice disease ... non-diagnostic in early disease
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Classically” noted with pulmonary ... or restrictive lung ... disease (COPD, ... bloodgas #Acid #Base
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... disease comes from ... disease and what ... can be suspected based ... Diagnosis #Radiology #Pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... POCUS lung exam ... Differential Bilat ... : Pulmonary edema ... disease, interstitial