Week 3 Obesity

Question 1

T/F: Adipose is considered an organ.

Answer 1

TRUE

Question 2

Obesity causes a __ to __ greater chance of death from all causes and is the __ leading cause of preventable death.

Answer 2

-10
-50
2nd

Question 3

How many adults have a BMI over 30?

Answer 3

34%

Question 4

How many pediatric children are over weight?

Answer 4

Overweight 20-30%
Obese 15%
Very obese 4%

Question 5

How do you calculate BMI?

Answer 5

• Weight (kg) / height (m2)

- Weight (lbs) / Height (in2) x 703

Question 6

List the classes of the BMI scale:

Answer 6

• Overweight = 25 - 29.9
• Obese Class 1 = 30 - 34.9
• Obese Class 2 = 35 - 39.9
• Obese Class 3 = 40 -44.5 (Morbid)
• Obese Class 4 = . 45 (Severe)

Question 7

How do you get Ideal Body Weight (Broca’s Index)?

Answer 7

• Male = Height (cm) - 100

- Female = Height (cm) - 105

Question 8

How do you get Lean Body Weight?

Answer 8

• LBW = IBW x 1.3

Question 9

What type of effect will fat have upon the heart?

Answer 9

• Increase metabolic demand

Question 10

How much will cardiac output have to increase for every kg of fat?

Answer 10

• 0.1L/minute

Question 11

How much neovascularization will occur for every 13.5 kg of fat?

Answer 11

• 25 miles

Question 12

T/F: CAD is an independent factor with obesity.

Answer 12

TRUE

Question 13

Fat will have what increase on the heart?

Answer 13

• Increase
  >cardiac output
  >O2 demand
  >CO2 production

Question 14

What heart diseases will correlate with to much fat?

Answer 14

• Cardiomegaly
• Atrial and biventricular dilatation
• Hypertrophy

Question 15

What F/V Loop Pattern will a obese person have?

Answer 15

-Restrictive Pattern

Question 16

What function will be decreased in lung inflation?

Answer 16

• FRC
• ERV
• VC
• TLC

Question 17

What function will be increased in lung inflation?

Answer 17

• Dead Space

Question 18

What function will NOT be changed in lung inflation?

Answer 18

• RV
• CC
• FVC
• FEV1

Question 19

How many obese people have OSA?

Answer 19

• 5%

Question 20

What is Pickwikian Syndrome

Answer 20

-Obese Hypoventilation

Question 21

What S/S are involved with Pickwikian Syndrome?

Answer 21

• Inappropriate and sudden somnolence
• OSA
• Hypoxia
• Hypercapnia
• Cannot function throughout the day (fall asleep)

Question 22

How can Pickwikian Syndrome lead to right heart failure?

Answer 22

Will cause hypoxic pumonary vasoconstriction leading to pulmonary HTN called Cor Pulmonale

Question 23

Obesity will have what effects on GI?

Answer 23

• GERD
• Gallsontes
• Pancreatitis
• Fatty liver disease (3% develop cirrhosis)

Question 24

Obesity will have what effect on DM?

Answer 24

• 80% of NIDDM pats are obese

Question 25

Obesity will have what effect on Ortho?

Answer 25

• Osteoarthritis from mechanical stree

Question 26

The obese patient will have what altered body composition and function?

Answer 26

• Increased Vd
• Increased Blood Volume
• Decreased Total water volume
• alteration of protein binding and lipophilicity

Question 27

If a drug has a low lipophilicity what type of weight measurement would you use?

Answer 27

IBW

Question 28

If a drug has high lipophilicity type what type of weight measurment would you use?

Answer 28

TBW

Question 29

What qeustion would be asked in preop on an obese patient?

Answer 29

• Med Hx
• Labs
• Cardiac
• Resp
• Airway
• Bariatric

Question 30

What equipment should be checked in the room prior to patient getting there?

Answer 30

• Table weight and size
• Warming devices
• A- Line
• medication

Question 31

What measurement would be used on a patient to get EBV?

Answer 31

45 - 55 mL/Kg

Question 32

What type of complication will be seen on patient days later?

Answer 32

• OSA effects - 2-3 days later

- Thromboembolism