What are the effects of post meal physical examination

Physical examination after diet may lead to an increase in blood sugar, blood lipids, and other indicators, affecting the accuracy of the examination results. It is recommended to undergo fasting physical examination, especially for items related to blood glucose, blood lipids, liver function, etc. The reasons that may affect the results of post dietary physical examination include food digestion and absorption, blood sugar fluctuations, and changes in blood lipids. To obtain accurate results, one should follow the doctor's guidance and arrange their diet reasonably before the physical examination.

1. The effect of diet on blood sugar

carbohydrates in food are converted into glucose during digestion, leading to an increase in blood sugar levels. Eating high sugar food before physical examination may lead to high blood sugar test results, affecting the judgment of diabetes or abnormal blood sugar. It is recommended to fast 8-12 hours before the physical examination, especially for items involving blood glucose testing.

2. The Effect of Diet on Blood Lipids

A high-fat diet can increase the levels of triglycerides and cholesterol in the blood, affecting the accuracy of blood lipid testing. Before the physical examination, one should avoid consuming greasy foods such as fried foods and fatty meat to ensure that the blood lipid test results truly reflect the physical condition.

3. The effect of diet on liver function

Protein and fat in food need to be metabolized by the liver, and diet may temporarily increase liver function indicators such as transaminase. Before the physical examination, one should avoid drinking alcohol and consuming high protein foods such as meat and soy products to reduce interference with liver function testing.

4. The effect of diet on other indicators

Diet may affect the test results of blood routine, urine analysis and other items. For example, consuming a large amount of water may dilute urine and affect the detection of urine components. Before the physical examination, excessive drinking of water should be avoided, especially for items involving urine testing. To obtain accurate physical examination results, it is recommended to follow the following dietary principles: fast 8-12 hours before the examination, avoid high sugar, high-fat, and high protein foods; On the morning of the physical examination, one can drink moderate amounts of water, but avoid excessive amounts; If there are special examination items, it is necessary to consult in advance and adjust the diet according to the doctor's advice. The accuracy of physical examination results is crucial for health assessment, and arranging diet reasonably is the key to ensuring the effectiveness of the examination.