Math in the Workplace - Algebra/Analysis and Probability
BOISE HEART CLINIC
Cardiovascular Care Registered Dietitian
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Job Description: Provide Medical Nutrition Therapy for hyperlipidemia (high cholesterol and high triglycerides), hypertension, diabetes and obesity to lower individual's risk of primary or secondary heart disease.
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Problem:
#1 Leona is a 75-year-old woman with high blood pressure, coronary artery
disease, and adult-onset diabetes. Lab values on 11-11-97 showed the following:
| LDL |
- |
136 |
| HDL |
- |
28 |
| Triglycerides |
- |
326 |
| Blood sugar |
- |
239 |
Total cholesterol equals HDL (high density lipids), plus LDL (low
density lipids), plus VLDL (very low density lipids), and if VLDL
equals 1/5 of Triglycerides. What are Leona's
total cholesterol level, VLDL levels and total cholesterol/HDL ratio?
(Round to the nearest tenth)
The risk ratio for heart disease is a ratio between the total
cholesterol and HDL Levels. What is Leona's risk ration? (Round
to the nearest tenth)
Circle her results as desirable or high risk on the supplemental
form.
How likely is Leona to have a heart attack?
BOISE HEART CLINIC
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Solution:
#1 (Use diagrams on solution
form as needed)
| Triglycerides |
|
326

5 |
= 65.2 VLDL |
VLDL + HDL + LDL = Total Cholesterol |
65.2 + 28 + 136 = 229
Formula:
Total cholesterol 
HDL |
= |
Risk ratio |
229 
28 |
= 8.2 ratio |
#2 Leona has the lab values of someone who just had a heart attack.
Therefore, if she keeps these values, Leona is VERY likely to have a heart
attack.