First of all, the medical examiner can't wear makeup on the day of medical examination, including lipstick, nail polish, mascara and facial makeup. Because these decorations will affect the doctor's judgment of diseases, such as anemia, heart disease, respiratory diseases and so on. Those who have undergone facial plastic surgery should take the initiative to explain to the doctor so as to judge whether they have genetic diseases.

Secondly, the medical examiner should clean the oral cavity, nasal cavity and external auditory canal before the medical examination. If it is not clean, some diseases will be missed, and doctors will think that patients don't respect them.

Specimen preservation is the most important work for medical inspectors. So, what kind of specimens can provide doctors with correct information?

Urine samples should be collected in clean containers provided by the hospital and checked within 30 minutes after urine collection. Therefore, the medical examiner should leave the urine in the hospital to prevent the urine from taking too long or using unclean containers, which will destroy some chemical or tangible components in the urine, such as glucose decomposition and erythrocyte lysis, and affect the urine test results. At the same time, urine should be urine that stays in the bladder for more than 4 hours. Therefore, do not drink plenty of water before leaving urine, so as not to dilute urine and affect the number of cells. Adult women should avoid the menstrual period when taking urine to prevent the mixed vaginal secretions from affecting the result judgment. Physical examination should be carried out after vulva cleaning, and middle urine should be taken for examination.

Fecal specimens should also be submitted for inspection within 30 minutes, and the specimen box should be clean and dry. If there is mucus or blood in the stool, we should pay attention to the choice of mucus and blood parts in order to provide accurate information to doctors. At the same time, in the first 3 days of stool examination, don't eat food containing blood to prevent inaccurate results.

Before taking venous blood from blood samples, patients should fast 12~ 14 hours in order to determine blood lipid components and enzymes more accurately, so as to avoid the influence of eating on blood lipid concentration, especially on triglycerides. Drinking plenty of water will dilute the blood and affect the number of cells in the blood; Drinking drinks or eating can also change the blood sugar concentration in the blood. At the same time, because erythrocyte sedimentation rate and erythrocyte measurement are affected by women's menstrual period, it is best to avoid menstrual period during physical examination.

When selecting blood samples, patients with hypertension and coronary heart disease can take drugs with a small amount of boiling water before taking blood. Some people worry that drugs will affect the results of physical examination. In fact, these drugs have little effect on blood samples and generally do not affect the judgment of results.

For diabetic patients, long-term fasting, water deprivation, physical activity and fatigue can all cause hypoglycemia and ketoacidosis. Therefore, it is best for diabetic patients to be accompanied during physical examination, and try to keep quiet, reduce activities and draw blood as soon as possible. For items requiring fasting examination, digestible foods, such as chocolate, milk, biscuits, etc. If you have symptoms such as palpitation, shortness of breath and cold sweat, you should take it immediately. To ensure safety. After a meal, when taking blood samples, you can explain the situation to the blood-drawing personnel and make a good mark to facilitate the analysis of the results. After completing the prescribed fasting examination, you can eat and take medicine immediately according to your daily habits. Take the medicine after dinner and then do other tests.

Don't wear too complicated clothes during physical examination.

Finally, people who take part in the physical examination should pay attention to their clothes. Don't wear complicated clothes during physical examination, which is convenient to put on and take off. Lesbians should not wear dresses, stockings and pantyhose, and gay men should not wear ties. Turtleneck pullovers, tight-sleeved tops and tight pants are not suitable for wearing, so as not to bring unnecessary trouble.