Out of OR Anesthesia

Question 1

SpO2 desaturation is associated w/ bradycardia or tachycardia?

Answer 1

bradycardia

Question 2

What is the FiO2 of a nasal cannula at 1L/min? 6L/min?

Answer 2

24%; 44%

Question 3

What is the minimum FiO2 for a simple facemask and why?

Answer 3

5L/min because below that will not flush out CO2

Question 4

What is the FiO2 for simple facemask at 5L/min? 8L/min?

Answer 4

40%; 60%

Question 5

What is the FiO2 of a non-rebreather mask at 6L/min? 15L/min?

Answer 5

95%; 100%

Question 6

Describe conscious sedation

Answer 6

sedation administered OOR by nonanesthesia provider; normal response to verbal stimulation

Question 7

Describe MAC

Answer 7

conscious sedation by anesthesia provider; able to answer questions and follow commands; able to protect airway

Question 8

Describe TIVA

Answer 8

GA w/o airway (GAWA); purposeful response to painful stimulus; spontaneous ventilation may need support; unprotected airway

Question 9

Describe GA

Answer 9

unarousable patient; inadequate ventilation that requires support; unprotected airway

Question 10

In what kind of patients would you need to limit contrast media in the MRI suite?

Answer 10

those who are allergic and renal failure patients

Question 11

What are some facial abnormalities that make sedation risky?

Answer 11

dysmorphic facial features (Pierre-Robin, trisomy-21)

Question 12

What are some oral abnormalities that make sedation risky?

Answer 12

mouth opening <3cm in adults, edentulous, protruding incisors, loose/capped teeth, high arched palate, macroglossia, tonsillar hypertrophy, non-visible uvula

Question 13

What are some neck abnormalities that make sedation risky?

Answer 13

obesity in neck/facial structures, short neck, limited neck extension, hyoid-mental distance less than 3cm, neck mass, c-spine disease or trauma, tracheal deviation, advanced rheumatoid arthritis

Question 14

What are some jaw abnormalities that make sedation risky?

Answer 14

micrognathia, retrognathia, trismus, significant malocclusion

Question 15

What is the treatment for aspiration?

Answer 15

FiO2 100%; R-T-berg; cricoid; aspirate naso/oropharynx; intubate/RSI; suction lower airway; mechanical ventilation/PEEP 5cmH2O; OG/NG tube; bronchodilators; bronchoscopy to remove particulate matter; CXR/ABG

Question 16

In the ASA Closed-Claims Project review, what were the four patient factors for oversedation OOR?

Answer 16

obesity, OSA, ASA 3-5, age >70