7 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Pulmonary Arterial ... Abnormalities • Chest ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
Breathing - exclude hypoxia ... causes: • Check chest ... consider intra-arterial ... twitter.com/AAGBI Quick Reference
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
priority is to start chest ... and adequacy of chest ... 4 H’s, 4 T’s: Hypoxia ... twitter.com/AAGBI Quick Reference ... CardiacArrest #Checklist #Differential
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
Breathing • Check chest ... help AND check arterial ... , 12-lead ECG, chest ... twitter.com/AAGBI Quick Reference ... Airway #Pressure #Differential
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
Intraoperative Hypoxia ... of unexpected hypoxia ... help AND check arterial ... , 12-lead ECG, chest ... twitter.com/AAGBI Quick Reference