35 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... - Differential Diagnosis ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential ... #Diagnosis #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Abnormalities • Chest ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... and Management Differential ... Troponin), ABG, STAT CXR ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential ... #Diagnosis #Management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Diagnosis Framework ... direction leads to hypoxemia ... #hypoxia #Differential ... #Diagnosis #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Myocardial Injury Classification
Chronic myocardial injury: Chronic heart failure, Cardiomyopathy, Hypertension, CKD/ESRD
Acute nonischemic myocardial injury:
 - Primary
illness, Sepsis, Pulmonary ... embolism Acute ... myocardial infarction: Respiratory ... failure with hypoxia ... Classification #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... be present on a chest ... pleural effusions, lobar ... severity of the hypoxemia ... Definition #Criteria #Diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... signs (tachypnea, hypoxemia ... Venn #Diagram #Diagnosis ... #Pulmonolary