24 results
Coronary Oxygen Balance 

Myocardial Oxygen Demand <-> Coronary Artery Blood Flow <-> Oxygen Availability

#cardiac #oxygen #pathophysiology
Coronary Oxygen ... Myocardial Oxygen ... Blood Flow <-> Oxygen ... #pathophysiology ... #anesthesia #anesthesiology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
measured on ABG) SaO2 ... output) - Low SvO2 ... Low CaO2 → Low SvO2 ... High PaO2, High SvO2 ... diagnosis #causes #pathophysiology
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
problem in adequate oxygen ... stimulus. ❷ Adequate oxygen ... breath sounds, SpO2 ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... breath sounds, SpO2 ... Intraoperative #Checklist
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
). ❷ Adequate oxygen ... flow, give 100% oxygen ... breath sounds, SpO2 ... CardiacArrest #Checklist ... Anesthesiology #Anesthesia
Mains Electricity Failure - Guidelines for Crises in Anaesthesia
Unexpected total power failure is rare and unpredictable.
for Crises in Anaesthesia ... • Maintain anaesthesia ... ❻ Check mains oxygen ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
for Crises in Anaesthesia ... analgesia. ❷ Adequate oxygen ... breath sounds, SpO2 ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... {(1.39 x Hb x sO2 ... DO2 = Rate of oxygen ... normally 1.39 ml/g sO2 ... Delivery #Equation #pathophysiology
Can’t Intubate, Can’t Oxygenate (CICO) - Guidelines for Crises in Anaesthesia
This is the last resort when
for Crises in Anaesthesia ... place and maintain anaesthesia ... : supply 100% oxygen ... Anesthesiology #Anesthesia ... Intraoperative #Checklist
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
for Crises in Anaesthesia ... B. ❷ Adequate oxygen ... breath sounds, SpO2 ... Anesthesiology #Anesthesia ... Intraoperative #Checklist