MNT Calculations Flashcards
Hamwi Formula Males
106 Lbs for 5 feet plus 6 lbs per inch over 5ft; or 106 lbs minus 6 lbs per inch under 5 ft.
Hamwi Formula Males
106 Lbs for 5 feet plus 6 lbs per inch over 5ft; or 106 lbs minus 6 lbs per inch under 5 ft.
BMI calculations
BMI = (Weight (lbs) x 703 / ht. in inches) / ht in inches again
BMI Values: Normal Weight
18.5-24.9
BMI Values: Obesity I
30-34.9
BMI Values: Obesity
x > 30
Hamwi Formula Females
100 lbs for every 5 feet plus 5 lbs per inch over 5 ft or 100 lbs minus 5 lbs per inch under 5 feet.
BMI calculations
BMI = Weight (lbs) x 703 / ht. in inches
BMI Values: Normal Weight
18.5-24.9
BMI Values: Overweight
25-29.9
BMI Values: Obesity
x > 30
BMI Values: Obesity II
35-39.9
BMI values: Obesity III
40+
% Desirable Body Weight
Current Body weight/ Desirable Body weight x 100
% Usual Body Weight
Current weight/ Usual weight x 100%
% Weight change
Usual wt - current wt/ usual wt x 100%
What criteria meets severe weight loss at 1 week?
2%
What criteria meets severe weight loss at 1 month?
5%
What criteria meets severe weight loss at 3 months?
7.5 %
What criteria meets severe weight loss at 6 months?
10%
What criteria meets weight loss at 1 year?
20%
BMI-for-age percentile: Obese
BMI > or equal to the 95th percentile
BMI-for-age percentile: Overweight
85th - less than 95th percentile
BMI-for-age percentile: Underweight
BMI less than 5%
Full term pregnancy
40 weeks
Corrected age
Chronological age - the number of weeks born premature
Growth/development: 4-6 months
1) Double birth weight 2) add 5-7’’ in length
Growth/development: 12 months
1) Triple birth weight
2) add 10’’ to length
Nutritional Risk- Pediatrics/Neonatal Anthropometrics
1) Height, weight, or BMI for age below 5th percentile 2) Weight loss of 5% of more of UBW in one month 3) Birth weight less than 2000 gms (4lbs) 4) Gestational Age less than or equal to 32 weeks
Nitrogen balance formula
[Protein Intake/6.25] - [24 hour UUN + 4]; 16% of protein is nitrogen; 4 accounts for non urea N losses (skin, hair, nails, stool, etc); goal for anabolism +2 to +4 nitrogen
UUN
Urinary Urea Nitrogen;