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Doctor insights on: Will Eating A High Fat Diet The Day Before Affect My Cholesterol Test

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Might eating something high in sugar (such as a donut) before taking a cholesterol test affect the outcome?

Might eating something high in sugar (such as a donut) before taking a cholesterol test affect the outcome?

Yes: A donut with all the affed fat would affect a cholesterol and triglyceride test. Please try to fast for 12 hours before testing. Water is allowed for hydration. ...Read more

Dr. Arthur Heller
2,585 Doctors shared insights

Diet (Definition)

Refers to all the physical matter humans (like all living creatures) must take in on a recurring basis; only partially for energy. Like all life on planet humans are open systems which keep tearing down their structure & require intake of atoms/molecules from which to rebuild their structure. Intestinal lining cells replaced ~every 3 days. CaPO4 in bones ~every 6 years, ...Read more


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Will a heavy fat-filled meal the day before affect fasting cholesterol test?

Will a heavy fat-filled meal the day before affect fasting cholesterol test?

Cholesterol test: A fatty meal within 24hr of a fasting lipid test might cause a problem with the results in a given individual. Best to be on one's usual food pattern in the week before a blood test. ...Read more

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How long does it take for your body to clear out the stuff you've ate over vacation? Want to get a cholesterol test that's more like my regular diet.

How long does it take for your body to clear out the stuff you've ate over vacation? Want to get a cholesterol test that's more like my regular diet.

Tough?: Hard? To answer since it depends on how long and how severe your diet varied from usual. In general, about 6-8 weeks are required for a major change in diet and/or exercise, or when stopping/starting cholesterol meds or supplements, to reflect changes in your lipid panel. It sounds like you need to schedule healthier vacations!! ...Read more

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Started low carb diet on 6/1. Cholesterol test on 8/5 showed: Total 256 LDL 196 HDL 40 Tri 96 VLDL 19 How do I know if my LDL is fluffy or dense?

Started low carb diet on 6/1. Cholesterol test on 8/5 showed: Total 256 LDL 196 HDL 40 Tri 96 VLDL 19 How do I know if my LDL is fluffy or dense?

Probably fluffy: Hi. You would need a more in depth lipid profile to measure whether your LDL is Pattern A (large, buoyant, aka "fluffy") or Pattern B (small, dense). However, small, dense LDL is often associated with triglyceride elevation, which you don't have. But don't be too comforted...that's a very high LDL (with an HDL lower than you'd like) and places you at substantially increased risk! Statin!!! ...Read more

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Did a cholesterol test & I don't know how to read it & total 144, HDL 35, total/hdl ratio 4.1 is this normal, high or low & BP 120/78?

Did a cholesterol test & I don't know how to read it & total 144, HDL 35, total/hdl ratio 4.1 is this normal, high or low & BP 120/78?

Cholesterol: The levels you report are basically normal. We also usually record the HDL and LDL as these give a bit more information. In someone with minimal or no risk factors an LDL up to 120 may be ok, if risk factors present we prefer 80ish. Hdl of 35 is a bit low. ...Read more

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Would a single chicken nugget affect a cholesterol test? Was fasting for 16 hours and I caved. My levels weren't very high just a bit. Would it raise it?

Would a single chicken nugget affect a cholesterol test? Was fasting for 16 hours and I caved. My levels weren't very high just a bit. Would it raise it?

Not much: If you normally have normal triglycerides and they were a bout the same as usual then the one nugget probably did not have much effect in your LDL those two readings are the ones affected by eating. You more than likely got a good idea of your readings from that test! ...Read more

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Why is my cholesterol only high with a expanded cholesterol test and not a regular one?

Why is my cholesterol only high with a expanded cholesterol test and not a regular one?

Should be similar: Your cholesterol level may vary slightly from day to day, and it can change significantly over time with changes in diet, activity or overall health. Also, there can be some variation in the levels depending on whether both were fasting samples (i.e., using blood not taken immediately after a meal). Otherwise, there should not be a big change in 2 fasting samples taken relatively close together. ...Read more

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What can I do if my cholesterol test resulted high: LDL 143.4, HDL 80.5, cholesterol 202, should I get worried?

What can I do if my cholesterol test resulted high: LDL 143.4, HDL 80.5, cholesterol 202, should I get worried?

Depends: Your LDL is little high (risk is increased) but your HDL ("good" cholesterol) is extremely high (risk is reduced). Moreover, your total cholesterol to HDL ratio is 1.75 - this is extremely favorable. If other risk factors are ok (no hx of heart attack, diabetes, non-smoker, normal bp), I would consider this to be highly favorable and certainly would not recommend treatment with medication. ...Read more

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Can eating before a cholesterol test mess it up?

Can eating before a cholesterol test mess it up?

Yes because Estimate: Cholesterol=a molecule made by every animal cell; promoted as a way to guess at LDL particle concentrations (eating ↑estimate confusion). It is carried within all the lipoprotein particles. LDL particles carry 3-6, 000 fat molecules/particle; cholesterol contents vary widely. LDL-C is not LDL & is only estimated: (T. Chol. - CHL-C - 20% triglycerides); yet low correlation with actual LDL particles. ...Read more

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I'm wondering what effect would eating a chocolate doughnut have on a cholesterol test?

Disaster: It would probably blow it through the roof and completely invalidate your results.

Really. ...Read more

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Might consuming coffee with half and half affect my cholesterol test?

Cholesterol: Half and half has lots of fat, if you consume lots with coffee your lipid level will be raised. ...Read more

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Hi my mom is going to take a cholesterol test tomorrow. Should she fast, if so how many hours? She didn't ask the dr. Thank you

Hi my mom is going to take a cholesterol test tomorrow. Should she fast, if so how many hours? She didn't ask the dr. Thank you

12 hours: It is good to fast for 12 hours before the test. If she is on medication, she should take the medication and drink water as needed. ...Read more

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Would it be possible that a cholesterol test tell you if you have diabetes?

Would it be possible that a cholesterol test tell you if you have diabetes?

No: But a high fasting triglyceride level often indicates developing Insulin resistance and early diabetes. ...Read more

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What does 4.68 numbers mean in women cholesterol test. Ref range 2.00-519. Trigly 1.52 ref range 0.45-2.20?

Millimoles: The 4.68 refers to millimoles of cholesterol. This is a different unit than most us doctors are used to. It is a somewhat elevated cholesterol level. We'd rather see it closer to 2 than to 5. ...Read more

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If I drank a good amount of alcohol seven hours before a cholesterol test, are my results basically inaccurate?

If I drank a good amount of alcohol seven hours before a cholesterol test, are my results basically inaccurate?

No: Even a non-fasting specimen is okay for monitoring this important lab parameter. Alcohol doesn't affect it much. If you do drink to excess on a daily basis, you may ruin your liver. It's a miserable way to live and die, but your cholesterol will be low. Otherwise, drink sensibly and enjoy your life. Best wishes. ...Read more

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First cholesterol test in 1982 was 203 and last test just done was 213 with HDL and LDL all in normal ranges. Is this good or bad?

First cholesterol test in 1982 was 203 and last test just done was 213 with HDL and LDL all in normal ranges. Is this good or bad?

Depends: Cholesterol norms vary depending on the risk factors one has such as the presence of hypertension, diabetes, smoking, family history of heart attack, etc. Knowing that as well as the actual #s for your cholesterol fractions may help better determine whether those are normal in your case or not. ...Read more

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First cholesterol test in 1982 was 203. Last test in 2013 was 213 with LDL and HDL all in normal ranges. Is this a good or bad sign?

First cholesterol test in 1982 was 203. Last test in 2013 was 213 with LDL and HDL all in normal ranges. Is this a good or bad sign?

Very good/keep up,,,: This is very good as you've apparently kept your cholesterol from increasing dramatically. Everything else is in range so if you keep working on that total and do good diet and exercise, you'll be doing everything you can short of meds to keep it under control. Best of luck. ...Read more

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I should have said: may I drink black decaffienated tea before a cholesterol test? I omitted the "black." I don't drink herbal teas. Ann

I should have said: may I drink black decaffienated tea before a cholesterol test? I omitted the "black." I don't drink herbal teas. Ann

Black tea/ cholester: I usually tell people just to have water (8 to 16 oz) so they are hydrated before a cholesterol exam, There seems to be some mild evidence that chronic intake of green/black tea can lower LDL cholesterol after 12 weeks, so there may be a small impact, with resulting lower cholesterol.

http://www. Webmd. Com/cholesterol-management/news/20030623/tea-extract-can-lower-cholesterol ...Read more

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Just had my Cholesterol test done as part of my Disc Screenings. Apparently LDL was so low it didn’t register - HDL - 0.66 TRIG - 0.69 - total 2.54 - Is this bad? Apparently very low?

Just had my Cholesterol test done as part of my Disc Screenings. Apparently LDL was so low it didn’t register - HDL - 0.66 TRIG - 0.69 - total 2.54 - Is this bad? Apparently very low?

No: Your total cholesterol is about 99 mg/dL which is okay.
Please note that US does not follow metric measures and units of measure in US are different from those in most other countries.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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My cholesterol test shows a total cholesterol of 242 with HDL 62, triglycerides 115. Is there any alternative to statin? 33 yo mother of 1.

My cholesterol test shows a total cholesterol of 242 with HDL 62, triglycerides 115. Is there any alternative to statin? 33 yo mother of 1.

Find and Fix Causes: The first step is to determine why your cholesterol is elevated. Several inherited and acquired medical conditions will affect cholesterol levels. Second, if related conditions are identified I would treat those while also starting diet, exercise and lifestyle modifications. Visit the following site for general diet information: http://www. Mayoclinic. Com/health/cholesterol/cl00002/nsectiongroup=2. ...Read more

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Where can I buy a home cholesterol test?

Where can I buy a home cholesterol test?

Don't do it!!!: You need reliable measurements of:
Total cholesterol
HDL cholesterol (good0
LDL cholesterol (Bad) and
Triglycerides.
They are useless when frequently measured. If you are taking medications or doing exercise and weight loss, the usual time to see if the intervention is working is not sooner than 4-6 months! Doing it more frequently will only generate anxiety and will not serve useful purpose ...Read more

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What can affect the results of a cholesterol test?

What can affect the results of a cholesterol test?

Cholesterol test: What can affect the results of a cholesterol test? ANS: time of day, diet for 3+ weeks before, blood drawn before you got out of bed?, family history, your medical history, medications you are taking. Age, gender, lab error, liver failure, acute glomerulonephritis and nephrotic syndrome, starvation, eating way too much fat, or not enough, BCP, thyroid disease, cancer, being too fat/skinny. Ask Dr. ...Read more

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For what reasons do we need to fast before cholesterol test?

Lipids: For years we've fasted overnight as you note. Recent evidence suggests it isn't necessary. Practice is only changing slowly being cautious. ...Read more