Nutritional Assessment Flashcards
What things would you do during clinical care?
past medical history family history meds, OTC/supplements/herbs diet physical examination lab evaluation
What does A B C D E of nutrition assessment stand for?
Anthropometric (physical exam) Biochemical (blood tests) Clinical Dietary Economic/social
What is Anthropometry
changes in physical weight and body composition, this includes rate of change.
- weight
- height/stature/knee height/total arm length/ arm span
Long term weight change means?
a chronic condition such as ‘bowel cancer’
Short term weight change means?
acute condition like ‘diarrhoea’
What are some more invasive techniques rarely used. Why not used?
Skinfolds
bioelectrial impedance
DEXA
body density
Invasive, not enough time, not always accurate
Since there is not usually enough time to do many techniques, what is often used instead?
BMI (weight for height in a suggested range)
calculation of BMI
BMI= weight/height
Why should BMI ever not be used?
For sportspeople with a large muscle mass.
Do all ethnicities have the same BMI scale?
No.
Pacific island/maori: slightly higher
Asian/indian: slightly lower
Calculation to find % weight loss?
% weight loss= (usual weight-current weight x 100) / usual weight
Significant weight loss 1 week 1 month 3 months 6 months
1 week) 1-2%
1 month) 5%
3 months) 7.5%
6 months) 10%
severe weight loss is just over this
Ideal body fat for men and women
Men: 12-20%
Women: 20-30%
When a you at risk for increased health risks?
> 22% fat (young men)
25% fat (men over 40)
> 32% fat (young women)
35% fat (women over 40)
What waist:hip ratio should we be within?
women 0.8
men 1.0