1514 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... severity of the hypoxemia ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Respiratory #Distress #Syndrome
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... congestion with hypoxemia ... or CXR ● PaO2/FiO2 ... RespiratoryDistress #Syndrome
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
check measured FiO2 ... Breathing - exclude hypoxia ... overload / TURP syndrome
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... to meet demands Hypoxemia ... common type of hypoxia ... ) PIO2 - atmospheric
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... below normal Hypoxia ... without hypoxia ... without hypoxemia
An Algorithm for the Differential Diagnosis of Hypoxemia & Hypoxia

#Hypoxemia #Hypoxia #Algorithm #Differential #Diagnosis
Differential Diagnosis of Hypoxemia ... & Hypoxia #Hypoxemia ... #Hypoxia #Algorithm
Hypoxemia in Anesthesiology - Differential Diagnosis and Management 

Management: 

• increase Fi02 to 100% - verify!
Hypoxemia in Anesthesiology ... • increase Fi02 ... MarkHarrisMD #Hypoxemia ... #Hypoxia #Anesthesiology
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
provide a different FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... maintain a higher FiO2 ... 10-15 LPM • FiO2