Perioperative Care of the Morbididly Obese Pt Flashcards
1
Q
What is BMI?
A
BMI = Weight (kg) / Height (m2)
2
Q
What is a normal BMI?
A
18.5-24.9
3
Q
What BMI defines obesity?
A
> 30
4
Q
What BMI defines morbidly obese?
A
BMI > 40
5
Q
How is hypoxia defined?
A
- Low inspired oxygen concentration (fio2)
- Hypoventilation
- Shunt
- Ventilation-perfusion (V/Q) mismatch
- Diffusion defects
6
Q
What is obesity?
A
Excess stored fat and multisystem inflammatory disorder
7
Q
What is metabolic syndrome?
A
Incorporates a number of disease states that coincide with obesity
Cardiovascular risk is 50-60% greater than the general population
Defined by:
- Truncal obesity - M >40in, F>35in
- Triglycerides >150 mg/dL, HDL 130/85
- Insulin resistance - fasting glucose >_ 100