Do you need to fast before having your blood lipids checked?
Apr 18, 2023
Source: Cainiu Health
Dr. Zhang Heyang
Introduction
A fasting state is required when checking blood lipids. Specifically, a lipid profile mainly measures levels of high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, etc. Fasting before the test is necessary to avoid temporary increases in blood fat levels after eating, which could affect the accuracy of the results. If a patient's test results show values outside the normal range.
Blood lipid tests require fasting. The detailed explanation is as follows:
Blood lipid testing primarily measures levels of high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, and related components. Fasting is required before the test to avoid temporary increases in blood fat levels after eating, which could affect the accuracy of the results. If test results show values outside the normal range, this may be due to irregular dietary habits, aging, use of corticosteroid medications, or underlying conditions such as hypertension, diabetes, or atherosclerosis. In such cases, further examinations are needed to identify the specific cause and guide treatment. For example, in cases of atherosclerosis, lipid-lowering drugs such as lovastatin tablets, simvastatin tablets, or rosuvastatin calcium tablets may be prescribed under medical supervision to help treat or alleviate the condition.
Patients with elevated blood lipids are advised to engage in appropriate physical activities regularly, such as swimming, running, or yoga. They should also reduce their intake of high-fat and high-sugar foods. Regular lipid profile testing is recommended to monitor changes in blood lipid levels.
