how long do i need to fast for a lipid profile?
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This test may be measured any time of the day without fasting. However, if the test is drawn as part of a total lipid profile, it requires a 12-hour fast (no food or drink, except water).
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You usually need to fast for 8–12 hours before a test. Most tests that require fasting are scheduled for early in the morning.
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For most tests, you will be told not to consume anything but water for eight hours leading up to the test. For a few tests, a 12-hour fast may be needed.
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Fasting is required for a period of 8-10 hours prior to the test. (No food or fluids such as tea, coffee or fruit juice.) You may have sips of water if you are thirsty. Due to the nature of the test, testing is generally done in the morning.
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The same is with intermittent fasting. Experts suggest that a person needs to follow the basic rules for at least 10 weeks to witness some positive results. Following the diet properly for this period of time will help you shed 3 to 5 kilos of weight (depending on your BMR).
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Fasting Requirements Fasting means that, with the exception of water, you refrain from eating or drinking for a minimum of 8 hours (10 to 12 hours is preferable) prior to the draw. This means no coffee or tea, so save that morning trip to the café for after your draw.
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Fast for 12 hours a day A person needs to decide on and adhere to a 12-hour fasting window every day. According to some researchers, fasting for 10–16 hours can cause the body to turn its fat stores into energy, which releases ketones into the bloodstream. This should encourage weight loss.
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With a fasting triglyceride test, a person is asked to fast for between 9 and 12 hours before having blood taken and tested. Non-fasting tests do not require a person to fast beforehand. For the last few years, researchers have been looking at the benefits of non-fasting triglyceride tests.
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A minimum initial prolonged fast of 36 hours to 3 days may be needed to start the process of reversing insulin resistance. For morbidly obese patients Fung uses initial fasts of 7 to 21 days.
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This means that you should consume no food or drink (except plain water) for at least 12 hours before the blood test. Please DO continue to take any prescribed medication with water only. It is possible to perform the blood test if you have not fasted.
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Lipid panel. Lipid panels measure the amount of cholesterol in the body. This includes high-density lipoprotein (HDL) and low-density lipoprotein (LDL). Your doctor should receive results from the lab within 24 hours.
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Fasting (no food, but continue to give water) for at least 12 hours before the blood is drawn should eliminate most effects on blood tests that are caused by diet. This is a good idea for all dogs, as a recent meal can also cause lipemia, making blood test results less reliable (see below).
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The amount of time you need to fast for will vary depending on the test. For most tests, you will be told not to consume anything but water for eight hours leading up to the test. For a few tests, a 12-hour fast may be needed.
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Patient Instructions If your doctor has requested that a fasting blood test be performed, fasting is generally overnight. 12 hours is the optimal fasting period. Fasting longer than the recommended time could compromise your results. You may be advised to defer the test to another day.
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Other blood tests that require fasting Basic or comprehensive metabolic tests: Tests for blood sugar, electrolyte balance, and kidney function. Typically, people will be asked to fast for 10 to 12 hours before having one of these tests.
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If fasting is required, you should not have anything to eat or drink (with the exception of water) for 10–12 hours before your test. Unless advised by your doctor, you should take all regular medication.
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Lipid profile. Lipid profile or lipid panel is a panel of blood tests that serves as an initial screening tool for abnormalities in lipids, such as cholesterol and triglycerides.