27 results
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 ... desired FiO ... #FiO2 #Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... Flow 6-10 LPM • FiO2 ... A venturi mask uses ... reservoir increases delivered ... #Mask #Oxygen #Delivery
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
adequate oxygen delivery ... Adequate oxygen delivery ... check measured FiO2 ... o Endocrine cause ... Anesthesiology #Anesthesia
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
adequate oxygen delivery ... Adequate oxygen delivery ... check measured FiO2 ... hypercarbia as causes ... syndrome) • Medical causes
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
response to 100% FiO2 ... pulse oximeter causes ... response to 100% FiO2 ... of impaired O2 delivery ... impairment of O2 delivery
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
in Anaesthesia ... ❶Adequate oxygen delivery ... check measured FiO2 ... Consider potential causes ... Anesthesiology #Anesthesia
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... evaluating potential causes ... Adequate oxygen delivery ... check measured FiO2 ... POTENTIAL CAUSES
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... Adequate oxygen delivery ... check measured FiO2 ... Consider known drug causes ... Anesthesiology #Anesthesia
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... Adequate oxygen delivery ... check measured FiO2 ... Guidelines for crises ... Anesthesiology #Anesthesia
Mains Electricity Failure - Guidelines for Crises in Anaesthesia
Unexpected total power failure is rare and unpredictable.
Guidelines for Crises ... in Anaesthesia ... Ability to safely deliver ... Guidelines for crises ... Anesthesiology #Anesthesia