Clinical Pearls

Question 1

What blades should you always have in your room

Answer 1

Miller 2, 3

Mac 3,4

Question 2

LMA size for >100kg, volume for cuff, and largest ETT

Answer 2

size 6, 50ml of air, 7.0 ETT

Question 3

LMA size for 70-100kg, volume for cuff, and largest ETT

Answer 3

Size 5, 40ml of air, 7.0 ETT

Question 4

LMA size for 50-70kg, volume for cuff, and largest ETT

Answer 4

Size 4, 30ml of air, 6.0 ETT

Question 5

LMA size for 30-50kg, volume fpr cuff, and largest ETT

Answer 5

Size 3, 20ml, 6.0 ETT

Question 6

Common ETT size for females

Answer 6

7- 7.5

Question 7

common ETT size for males

Answer 7

7.5-9

Question 8

how do you dilute phenylephrine

Answer 8

Comes in 10mg/ml in 1cc vial.
Draw up the 1cc and put in 100cc bag of NS = 100mcg/ml
OR
double dilute: draw up med with 9ml of NS, waste 9ml of mixture, draw up another 9ml of NS= 100mcg/ml

Question 9

how do you dilute ephedrine

Answer 9

concentration: 50mg/ml
Dilute in 5ml syringe to make 10mg/ml
Dilute in 10ml syringe to make 5mg/ml

Question 10

O2 cylinder should have at least ___

Answer 10

1000 psi

Question 11

Pipeline pressure should be

Answer 11

50-55psi

Question 12

How to determine adequate preoxygenation

Answer 12

End tidal O2 > 85%

Question 13

max cuff pressure

Answer 13

20 torr

Question 14

most commonly injured nerve after surgery and ways to avoid

Answer 14

ulnar nerve

avoid by: padding, supinate arms when possible, abduct arms less than 90 degrees

Question 15

max Trendelenburg

Answer 15

45 degrees

Question 16

brachial plexus injury often seen with what position

Answer 16

arms over head