Should you do what before the ultrasound?

Ultrasound examination, Non-invasive, simple, inexpensive, It is a very popular imaging tool. But abdominal ultrasound diagnosis covers too many organs, Before examination of certain organs, Corresponding preparations must be made, Some novice patients who are not well prepared often delay the examination. Today, Here are some practical tips for you. Fully prepare for ultrasound examination, It can not only improve the diagnostic rate of ultrasonic examination, Reduce the occurrence of misdiagnosis and missed diagnosis, It can also save your time, Diagnosis should be obtained as soon as possible. 1. Ultrasound examination of liver, gallbladder, pancreas and On an empty stomach, fasting after dinner the night before until the end of the examination the next day, Fasting for at least 8 hours, Not even drinking water in the middle, Don’t hold your urine. 2. Ultrasonic examination of urinary system (ureter, bladder): The bladder should be filled, Drink plenty of water before inspection, I can’t hold my urine. I’ll check it again. But there is no need to fasting. 3. Vaginal B-ultrasound of uterus and double accessories: Empty the bladder before examination. If it is a special group, Such as virgins, massive vaginal bleeding, less than 3 months after hysterectomy, atrophic vaginitis patients, A transabdominal ultrasound is require, At this time, you also need to drink a lot of water, Urine suffocation is so urgent that the examination can only be done. These do not need fasting. 4. Routine obstetric ultrasound for pregnant women: There is generally no need to fill the bladder, You don’t need an empty stomach, However, there are several special circumstances that require pregnant women to make some preparations before examination. Drink enough water and hold back enough urine: (1) Premature delivery is suspected, and the length of cervical canal needs to be measured (cervical insufficiency needs to be considered when the length of cervical canal is less than 3cm, and obstetricians need to be consulted) (2) Pregnant women with vaginal bleeding (whether the position of the lower edge of placenta is low and whether the cervical internal opening is covered) (3) The thickness of the lower segment of the anterior wall of uterus needs to be measured (for pregnant women whose anterior fetus is caesarean section)