11 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Interstitial lung ... Abnormalities • Chest ... #Hypoxia #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... is interstitial lung ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... #hypoxemia #differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Hypoxia #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... throughout the lungs ... typical pneumonia pathogens ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
disease: Pleuritic chest ... level seen • Chest ... Abscess Pathogens ... Abscess Differential ... Abscess #pulmonary #differential
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
evaluation - Chest ... X-ray - Lung ultrasound ... and other viral pathogens ... - CBC with differential ... iBookCC #COVID19 #algorithm
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
Personality Disorders - Differential ... Diagnosis Algorithm ... is stable and of ... long duration, ... #Diagnosis #Algorithm
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... in the adjacent lung ... growing uncommon pathogens ... Bronchiectasis #pulmonary #differential