be sure to pay attention to relevant matters before the physical examination and don’t eat too greasy. In addition, some examination items must be fasting or hold urine, otherwise it will affect the examination results. What can’t be done before the physical examination. When you go to the hospital, you often hear the doctor say: this test needs an empty stomach, and that test needs an empty stomach, but do you know what is an empty stomach? Let’s have a good chat today.
What can’t you do before the physical examination?
try not to eat 8 hours before physical examination
you must be fasting when doing blood routine examination. If you eat, it will affect the results of blood lipid and blood glucose examination. Taking blood on an empty stomach can ensure the correctness of the results of the physical examination, and can be well comparable with the normal value. Fasting generally refers to not eating anything for 8 ~ 14 hours.
can’t eat high protein and high-fat foods
if you test liver and kidney function, you can’t eat high protein and high-fat foods three days before blood drawing. If you eat high protein or greasy foods, it is bound to increase the burden on the liver and kidney, cause transient abnormalities in liver and kidney function, and even cholesterol or blood lipids, Affected its inspection results. You can’t drink within 24 hours before the liver function test.
can’t wear heavy make-up or wash the vagina by yourself
can’t wear heavy make-up before physical examination, which will affect the doctor’s diagnosis of the skin. You can’t wear contact lenses, which is not conducive to ophthalmic examination. Do not flush the vagina the night before gynecological examination. Frequent flushing may increase the possibility of ectopic pregnancy and pelvic inflammation. In addition, it will also affect the routine indicators of vaginal secretions, thus affecting the results of the examination.
women should avoid examination during menstruation, because examination during menstruation will affect the results of examination, and are prone to occult blood in stool, hematuria or ESR.
chronic diseases can not stop using drugs
. For chronic diseases, such as arrhythmia, hypertension and diabetes, people need to use drugs for a long time. Regular medication should be maintained before examination. Otherwise, it will bring serious consequences. Try not to have a physical examination when you have diarrhea, cold or fever. People’s heart rate, body temperature and other indicators will affect the results of the examination. It’s not too late to go to the hospital for a physical examination after your body slowly recovers.
Don’t eat 8 hours before physical examination
fasting blood collection is the basic requirement of physical examination. On the one hand, eating will cause changes in blood glucose, blood lipid and other results. On the other hand, the normal values referred to in the examination results are calculated according to the fasting blood drawing results of healthy people. Fasting blood collection can better ensure that the physical examination results are comparable with the normal values.
how long does it take to be empty on an empty stomach? Fasting generally means not eating for 8-14 hours. For example, if you have a physical examination at 8 a.m., it is recommended that you eat dinner normally the day before the physical examination, and don’t eat anything after 10 p.m., including juice, milk, tea, coffee and other drinks. Don’t eat until the physical examination is over.
do not eat high-fat and high-protein foods
do not eat high-fat and high-protein foods 2-3 days before taking blood for liver and kidney function test. Because eating high-fat and high protein foods will increase the metabolic burden of liver and kidney, there may be transient liver and kidney dysfunction, and even the increase of blood lipid, cholesterol, urea nitrogen and creatinine.
in addition, alcohol should not be drunk within 24 hours before liver function test, otherwise the results of liver function test may be affected.
don’t wear heavy make-up, wear convenient clothes
heavy make-up will affect the doctor’s judgment of facial skin. Contact lenses are not conducive to ophthalmic examination, and dresses are not easy to wear and take off, which is inconvenient for some examination.
do not flush the vagina by yourself
when it comes to gynecological examination, many people will flush the vagina before physical examination to avoid the embarrassment of peculiar smell during examination. However, vaginal flushing will not only increase the possibility of pelvic inflammation and ectopic pregnancy, but also affect the routine indexes of vaginal secretions and the examination results.
do not exercise in the morning before the physical examination for the elderly
although fasting is required before the physical examination, the middle-aged and elderly people need to eat a good dinner the previous day due to their small liver glycogen reserves. It is not recommended to continue morning exercise in the morning to avoid hypoglycemia during the physical examination. In this way, the results of physical examination are not accurate.
do not stop taking drugs for chronic diseases
if the elderly with hypertension, arrhythmia or other chronic diseases have been taking drugs, they should take drugs regularly before physical examination. Do not stop taking drugs for physical examination, resulting in high risk of blood pressure rise.
female physical examination try to avoid menstrual period
because female menstrual blood will affect the experimental results, resulting in hematuria, occult blood in stool, false positive ESR and other results. In addition, gynecological examination cannot be accepted during menstrual period. Physical examination is not recommended under
if you have a fever, cold or diarrhea, physical examination is not recommended in case of such acute diseases. At this time, basic indicators such as body temperature and heart rate will be affected, and the examination results will also change. Wait until your body is almost recovered, otherwise it will be a waste of money.
disclosure of relevant matters before physical examination
What items need fasting?
① “ Strictly fasting items & rdquo;
fasting blood glucose, blood lipid, renal function (mainly blood urea and blood uric acid), liver function (mainly bilirubin and transaminase) and blood viscosity need fasting examination.
② “ Small fasting project & rdquo;
“ Small Fasting & rdquo; It means that in the morning, they don’t eat high protein and high-fat food, but only drink low-fat food such as porridge. Such people can postpone the blood test at noon or afternoon (more than 4 hours after breakfast).
coagulation function, glycosylated hemoglobin, blood routine, erythrocyte sedimentation rate, immune all test items such as hepatitis B three series, hepatitis complete set, all kinds of hormones, cardiac markers, thyroid function, tumor markers, autoantibodies, rheumatoid arthritis and so on.
③ “ After meal items & rdquo; 1. Strictly follow the doctor’s advice to take blood sugar for 1 and a half hours after 0001. 3. Strictly pinch blood sugar for 2 and a half hours after meals.
how long is fasting?
“ Fasting & rdquo; Refers to & ldquo; 10 & mdash; fasting in the morning; 12 hours & rdquo;, That is to say, on the night before blood drawing, the physical examination personnel kept their usual
. Can they drink water on an empty stomach?
subjects were told to fast for at least 8 hours and water for more than 6 hours before physical examination, which does not mean they can’t drink a mouthful of water, & ldquo; No water & rdquo; You can’t drink a lot of water.
generally not more than 200ml. A small amount of water that must be drunk, especially when taking medicine, is no problem. But we must remember that we can only drink boiled water, not drinks, tea, coffee, etc., so as not to affect the test results.
must the drug be stopped on an empty stomach?
“ Fasting & rdquo; It’s not that you can’t take drugs. For example, you must take drugs every day, and you can’t stop drugs that may even lead to critical illness.
for example: sudden withdrawal of antihypertensive drugs will cause sudden rise of blood pressure; Drugs to slow down heart rate will cause rapid heart rate if they are stopped rashly; If the hypoglycemic drugs are stopped abruptly, the blood sugar will rise and fluctuate; The withdrawal of thyroid related drugs will aggravate the symptoms of hyperthyroidism such as palpitation and hand shaking; Other drugs that need to be taken for a long time, such as anticoagulants, antiarrhythmic drugs, antiepileptics, cardiotonics, etc.
warm tips
pay attention to the above matters during physical examination. In addition, keep relaxed and avoid being too nervous, otherwise it will affect the examination results. Avoid eating too greasy or high protein and fat diet the day before the examination. The diet is mainly light, Women should choose clothes that are easy to wear and take off on that day, and skirts are recommended. In addition, it is necessary to hold urine in advance during abdominal B-ultrasound examination.