41 results
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... uses a small valve ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... check measured FiO2 ... tamponade → 3-9 o Local ... o Endocrine cause ... Anesthesiology #Anesthesia
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... deliver desired FiO
Mains Electricity Failure - Guidelines for Crises in Anaesthesia
Unexpected total power failure is rare and unpredictable.
Guidelines for Crises ... ❷ Liaise with local ... activate appropriate local ... Guidelines for crises ... Anesthesiology #Anesthesia
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
Local Anaesthetic ... Guidelines for Crises ... injecting the local ... Guidelines for crises ... Anesthesiology #Anesthesia
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... evaluating potential causes ... check measured FiO2 ... tone Drug error Local ... Anesthesiology #Anesthesia
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
Guidelines for Crises ... check measured FiO2 ... hypercarbia as causes ... syndrome) • Medical causes ... Guidelines for crises
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... check measured FiO2 ... Consider known drug causes ... pneumoperitoneum; local ... Anesthesiology #Anesthesia
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... check measured FiO2 ... electrolyte disturbance; local ... Guidelines for crises ... Anesthesiology #Anesthesia
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
in Anaesthesia ... check measured FiO2 ... Consider potential causes ... in anaesthesia ... Anesthesiology #Anesthesia