10 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... by A-a Gradient ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... , Interstitial Lung ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... gravity-dependent gradients ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia ... #Differential #
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... defect (Type 1) or anatomic ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... gradient ≥ 15mmHg
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... polycythemia from chronic hypoxia ... Immunoglobulins (Ig M, A, ... mycobacteria Treatment ... #differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
usually: - hypoxemia ... patient with shock/hypoxemia ... hypoperfusion/ hypoxemia ... - Compartment syndrome ... Oxygen Content: - Hypoxemia
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... M Methanol A ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
time = increased Aa ... gradient • Intrapulmonary ... in the lower lung ... portal HTN • Aa ... gradient ≥15 mmHg
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Reconstitution Inflammatory Syndrome ... (fever, cough, hypoxia ... Leishmaniasis Differential ... #Inflammatory #Syndrome ... #Differential #