13 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Abnormalities • Chest ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... and Management Differential ... STAT CXR, CTA Chest ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... , Interstitial Lung ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Diagnosis of Pulmonary Embolism in Pregnancy - EMCases Algorithm

Clinical Pearls:
 - Reproducible chest wall tenderness does
Pregnancy - EMCases Algorithm ... Clinical Pearls ... - Reproducible chest ... consolidation on chest ... unmask underlying hypoxia
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... be present on a chest ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Loss of weight • Chest ... polycythemia from chronic hypoxia ... high-resolution chest ... Bronchiectasis #pulmonary #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D D-lactate (short ... - Rapid saline infusion ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung
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 ... - CBC with differential ... diagnostics as clinically ... iBookCC #COVID19 #algorithm