CVD - Exam 2 Flashcards
_____ buildup of fatty plaques in the walls of arteries that causes those arteries to narrow. What can it cause?
atherosclerosis
decreases blood flow to an area
can cause rupture/blood clot
What are risk factors for atherosclerosis?
Diabetes Mellitus
Hyperlipidemia/Hypercholesterolemia
Hypertension
Obesity
Smoking
Physical inactivity
Poor diet
____ is the #1 cause of mortality in the United States! What is it due to ?
CVD
western diet (increased intake of fats, red meats and carbs, minimal fruits and veggies)
When do you need to start lifestyle changes based on their LDL levels
If LDL is ≥ 190…start lifestyle changes +/- meds
If 10-year risk is >20%… start if LDL is ≥ 100 mg/dL
If 10-year risk is ≤ 20%…
And 2+ risk factors for CAD, start if LDL is ≥ 130 mg/dL
And 0 or 1 risk factor for CAD, start if LDL is ≥ 160 mg/dL
What is the general recommendation for fat intake? What percentage of total calories?
“Saturated fatty acid, trans fatty acid, and cholesterol consumption should be as low as possible while still getting adequate nutrition
20-35% of total calories
Saturated fats - 7% or less of calories in pts with CVD risk
Dietary fats mainly contribute to atherosclerosis by increasing _____. Saturated fatty acids equals greater increase in ____.
serum lipids
bad cholesterol (LDL)
____ is often found to be the case before a cardiac stressor event
Acute ingestion of meal high in fatty acids
Where are common places to find saturated fats?
Flesh of domestic mammals raised for consumption
Dairy products
Several vegetable oils (coconut, palm, palm kernel)
ACC and AHA recommend to replace saturated fats with ______. Which kind of saturated fats is worse for you, meats or dairy?
MUFAs/PUFAs
saturated fats from meats are WORSE for you
Where do adult males get the majority of their saturated fats from? children? adult women?
males: red meat
children: milk
adult women: dairy and processed foods
Give 2 examples of PUFAs. Can we synthesize them on our own?
Omega-3
Omega-6
no, need to be consumed
Give some examples of where omega 3 can be found? omega 6? What is the native ration? modern diet ratio?
Omega-3: found in flaxseed oil, linseed oil, marine oils (seafood), canola oil
Omega-6: found in soybeans, safflower oil, sunflower seeds/oil, and corn
native: 1:4
modern: 1:20
What kind of pt should take PUFA supplementation?
pt who already have heart disease
Give some examples of MUFAs. What do they promote?
olive or canola oils, peanuts, tree nuts, avocados
promote reductions in LDL and elevations in HDL
____ are generally regarded as healthy fats and may be promoted as part of an overall heart-healthy diet
MUFAs
What are 2 major approaches to prevent heart disease and limit worsening of existing heart disease
Limiting overall dietary fats (low-fat diet)
Liberalizing intake of MUFAs and omega-3 PUFAs
What type of fats are in eggs? What is the recommendation?
high in cholesterol but low in fat - controversial!!