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Principles II test III Obesity slides 3-12
Diobesity is bad, it just is.
22
Nursing
Graduate
10/31/2009

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Cards

Term
What is your BMI if you are considered obese?
Definition
30 or higher
Term
What are the 5 groups of co-morbidities associated with obesity?
Definition
medical, psychological, social, physical, economic
Term

What is obesity?

Definition

1) Having a very high amount of body fat in correlation to lean body mass, and

 

2) A life-long, progressive, life-threatening, costly, genetically related, multifactorial disease of fat storage.

Term
What is the most common nutritional disorder in the industrialized world?
Definition

Obesity, duh

(thats the card-set you're reading now, fool!)

Term
Body Mass Index (BMI) is the accepted measure of body habitus that is normalized adiposity for height.  How do you calculate it?
Definition

BMI= weight in kg/height in meter2

or

lbs/in2 x 703

*remember to overestimate body fat for the very muscular and underestimate for those who may have lost muscle mass (elderly)

Term
Wanna know how to classify BMI #s?
Definition

19-25: ideal

25-30: overweight

30-35: class I obesity

35-40: class II obesity

40-50: morbid obesity

50-60: supper obesity

>60: super-super obesity (Trauma Burn standard)

Term
What is the measurement of height and body mass that exhibits the lowest morbidity and mortality for a given population?
Definition

Ideal Body Weight (IBW)

 

*term used interchangeably with normal wt., lean body wt., and desirable wt.

Term
How do you calculate IBW?
Definition

Men: IBW=height (cm) - 100

 

Women: IBW=height (cm) - 105

Term
What is considered an endocrine organ which major functins are to provide a resevoir of readily convertible and useable energy to maintain heat insulation?
Definition
Adipose tissue
Term
There are two type of visceral obesity, what are they and describe the difference.
Definition

1) Gynecoid: pear-shaped; adipose concentrated on the hips and thighs.

2) Android: apple-shaped; adipose mainly on the abdomen. This type has an increased association w/ CAD, HTN, NIDDM, dyslipidemia, and death.  Also, increased free fatty acid (FFA) released by adipose and tissues adjacent to it

Term
What wasit measurements are at increased risk for obesity related co-morbidities?
Definition

Mens' waist >40 (in)

 

Womens' waist >35 (in)

Term
What are the causes of obesity?
Definition
Genetics are the primary reason, but only explains 40% of the variance in body mass.
Term
So then what is the other 60% of obesity related causes?
Definition

Food is readily available

cheap foods are high in cals and fat

advertising (to eat shit food)

seditary lifestyles

(basically, our technology has made us lazier)

 

Term
There are many obesity associated diseases/conditions..What are the top 3?
Definition

Type II diabetes

 

HTN

 

CAD

Term

Obesity is bad for the heart.

Are all cardiovascular dx more or less common?

 

Definition
Seriously, what do you think?
Term
In obesity, how does increased blood vloume and  plasma volume influence CO?
Definition

Increased CO of 0.1L/min for each kg of fat acquired

 

Increased CO precedes increased left-sided heart pressure and left ventricular hpertrophy

Term
How do so many obese people get CHF?
Definition
Their heart rates remain the same, which means CO must be augmented by the increased SV, which results in cardiomegaly, atrial and biventricular dilation, and biventricular hypertrophy.  These will contribute to HTN and eventually CHF.
Term
Due to increases in blood volumes, what does this do to preload/afterload?
Definition

There is an increase in pre/afterload which

1) results in increased right atrial pressure,

and

2) increased PA and wedge pressures

Term
Moderate HTN is present in ____% of the morbidly obese and is severe in ___to___%
Definition

50%

 

5-10%

Term
The incidence of CAD is _______in those with central (visceral) distribution of fat.
Definition
doubled
Term
_____% of the obese develop Pickwickian Syndrome
Definition
8%
Term
What are some dx/conditions of the obese that can lead to arrthymias?
Definition

Hypoxemia

hypercapnea

electrolyte disorders

sleep apnea

ventricular hypertrophy

HTN

CAD

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