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

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... STAT CXR, CTA Chest ... Management #treatment #criticalcare
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumonia • Water: pulmonary ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Intracardiac, Pulmonary ... #Hypoxia #hypoxemia ... #differential #
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... • Symptoms: Hypoxemic ... infiltrates on chest ... scattered crackles, chest ... edema #causes #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... be present on a chest ... lung collapse, or pulmonary ... severity of the hypoxemia ... Criteria #Diagnosis #CriticalCare
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
ARDS: Clinical Cheat ... leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary ... Diagnosis #Management #CriticalCare
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 ... #differential #
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... failure from massive pulmonary ... embolism or severe pulmonary ... diagnosis #management #criticalcare ... #differential