128 results
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... compensate for low ... #diagnosis #comparison ... #pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- low oxygen in ... (e.g low cardiac ... output) - Low ... SvO2 → Low PaO2 ... #pulmonary #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung
Lung Auscultation and Physical Exam Findings in Selected Lung Disorders

#PhysicalExam #Auscultation #Pulmonary #Percussion #Dullness #Fremitus #BreathSounds
Lung Auscultation ... Findings in Selected Lung ... Disorders #PhysicalExam ... #Auscultation #Pulmonary ... #Transmitted #Comparison
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... disease • Pulmonary ... Septal Defect Pulmonary ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
flail chest) • Low ... Extreme Elevation, Low ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... atelectasis • Lung ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
in more severe hypoxemia ... useful to allow for lung-protective ... use conventional lung-protective ... for refractory hypoxemia ... #criticalcare #hypoxia
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... diseases with a low ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
INSPIRED OXYGEN • Low ... : Interstitial lung ... direction leads to hypoxemia ... bypassing the lungs ... Respiratory #Failure #hypoxia