29 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
) PIO2 - atmospheric ... oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... pressure of arterial ... without hypoxia ... #hypoxemia #differential
Hypoxemia in Anesthesiology - Differential Diagnosis and Management 

Management: 

• increase Fi02 to 100% - verify!
Hypoxemia in Anesthesiology ... - Differential ... • increase Fi02 ... • arterial blood ... #Differential #
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Pulmonary Arterial ... Defect ** • Atrial ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Elevation, Low Fio2 ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
by the ratio of arterial ... severity of the hypoxemia ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Severe - PaO2 / FiO2
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Failure - Differential ... common cause of hypoxemic ... shunting (eg, atrial ... #Differential #
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Hypertension - Differential ... Algorithm Pulmonary Arterial ... Disease and/or Hypoxemia ... PulmonaryHypertension #PHTN #Differential
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
anæmia • arterial ... hypoxemia - ... #Right #Shift #Differential
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Decelerations - Differential ... bpm): • Mild hypoxia ... 70) • Tissue hypoxia ... Reduced maternal arterial ... FetalHeartRate #Tracing #Differential