8 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 ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... - Differential Diagnosis ... Alkalosis • Shunt ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Blood: diffuse alveolar ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential ... #Diagnosis #Management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Defect: Pulmonary ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... upright position • Hypoxemia ... Arterial blood gas (ABC ... Quantifies degree of hypoxemia ... older) on room air
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
usually: - hypoxemia ... patient with shock/hypoxemia ... hypoperfusion/ hypoxemia ... Oxygen Content: - Hypoxemia ... Neoplasia/Warburg effect