Obesity

Question 1

Answer 1

Question 2

General anesthesia causes FRC to fall by how much? Compared to non-obese pt?

Answer 2

50%
20%

Question 3

What is the optimal tidal volume for a patient with class 3 obesity?

Answer 3

6-8 ml/kg IBW

Question 4

Answer 4

Question 5

CO increases by ___ mL/min for every extra kilogram of fate

Answer 5

100

Question 6

_____ may be the most useful confirmation of pHTN

Answer 6

Tricuspid regurg on the TEE

Question 7

Answer 7

Question 8

Water-soluble drugs are calculated with ____

Answer 8

Ideal body weight

Question 9

Lipid-soluble drug doses are calculated with ___

Answer 9

Total body weight

Question 10

LBW calculation

Answer 10

LBW = IBW x 1.3

Question 11

Answer 11

Question 12

Answer 12

Question 13

OSA is defined as the cessation of airflow for at least _____ with __ or more unsuccessful efforts to breathe and a greater than __% reduction in SaO2

Answer 13

10 seconds;
5;
4

Question 14

A 50% reduction in airflow for 10 seconds, 15 or more times per hour, linked to snoring and decreased oxygen saturation

Answer 14

Hypopnea

Question 15

What apnea/hypopnea index score is consistent with mild OSA?

Answer 15

Question 16

______ is the definitive test for OSA

Answer 16

Polysomnography

Question 17

How do you calculate the severity of OSA?

Answer 17

of episodes of apnea/hypopnea divided by hours of sleep

Question 18

What is the classic triad of
Dysfunctional sleep?

Answer 18

1. Apnea or snoring w/ hypopnea
2. Arousal from sleep
3. Daytime somnolence

Question 19

The classic presentation of obesity hypoventilation syndrome includes:

Answer 19

Episodes of apnea during sleep WITHOUT any respiratory effort

Question 20

Diagnostic criteria for OHS

Answer 20

BMI > 30 kg/m2
Awake PaCO2 > 45 mmHg
Dysfunctional breathing during sleep

Question 21

What is the most sensitive sign of anastomotic leak following gastric bypass?

Answer 21

Question 22

Answer 22