36 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... : Atelectasis, ARDS ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... #Hypoxia #hypoxemia
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
) PIO2 - atmospheric ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... #pulmonary #differential
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... arterial oxygen (PaO2 ... compensate for low PaO2 ... diagnosis #comparison #pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Bronchospasm, Pulmonary ... - Physiologic: ARDS ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... consistent with pulmonary ... lung collapse, or pulmonary ... severity of the hypoxemia ... severity of the ARDS
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
to the i-STAR Algorithm ... minimal to keep PaO2 ... and non ARDS, no ... • FiO2: avoid hyperoxia ... patients #iSTAR #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... lung disease • Pulmonary ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Important Respiratory Distress Pearls

#diagnosis #respiratory #distress #NRDS #RDS #TTN #MAS #neonatal #pediatric #adult #respiratory #adverse #effects
respiratory #distress #NRDS ... #RDS #TTN #MAS ... adverse #effects #pulmonary ... #ventilation #algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... #Hypoxia #Differential ... #Diagnosis #Algorithm ... #pulmonary #Aa
Pulmonary and Non-Pulmonary Causes of ARDS #Diagnosis #EM #PCC #ARDS #Differential #Algorithm #Pulmonary #NonPulmonary #Causes #Ddxof
Pulmonary and Non-Pulmonary ... Causes of ARDS ... Diagnosis #EM #PCC #ARDS ... #Differential #Algorithm ... #Pulmonary #NonPulmonary