13 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... perfusion Mismatch • Airway ... Hypoventilation • Obesity ... #Diagnosis #Algorithm
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
Alveolar filling, Obesity ... Bronchodilators/Steroids Hypoxemia ... Troubleshooting #diagnosis ... #management #pulmonary ... #mechanical #ventilation
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
dysynchrony during mechanical ... bronchospasm, airway ... Prominent phase IV: obesity ... waveforms #patterns #diagnosis ... #pulmonary #ETCO2
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... Hypoxemia or tissue ... Hepatic failure, Mechanical ... Airway: Obstruction ... Miscellaneous: Obesity
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... , OSA, Asthma, Obesity ... hypoventilation) - Airway
Intraoperative Bronchospasm - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre team of
Use appropriate ventilation ... consider → 2-2 Hypoxia ... anaesthesia #Anesthesiology ... Intraoperative #Checklist ... #Diagnosis #Management
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
bag moving OR ventilator ... o Aspiration, pulmonary ... #Cyanosis #Anesthesiology ... Intraoperative #Checklist ... #Diagnosis #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Rapidly confirm ventilator ... 4 H’s, 4 T’s: Hypoxia ... toxicity (→ 3-10) Acidosis ... #Differential #Anesthesiology ... #Diagnosis #Management
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
bag moving OR ventilator ... o Aspiration, pulmonary ... #Differential #Anesthesiology ... Intraoperative #Checklist ... #Diagnosis #Management
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
bag moving OR ventilator ... Breathing - exclude hypoxia ... #Hypertension #Anesthesiology ... Intraoperative #Checklist ... #Diagnosis #Management