Why do you need to hold your urine before B-ultrasound

There are many forms of physical examination. When we do some abdominal examinations, the most effective way is B-ultrasound, which can check the urinary system, prostate, and even uterine appendages, etc. Of course, you also need to hold your urine one week before. Many people don’t understand this situation. The following editor will explain to you why you need to hold your urine before B-ultrasound. I hope it can be of some help to everyone.

B-ultrasound is a method of diagnosing diseases by transmitting ultrasonic waves into the human body and receiving and recording ultrasonic signals reflected by organs and tissues in the body. Ultrasound has excellent penetration into water but very poor penetration into gas, and almost all of it is reflected back. The uterus and appendages are located between the bladder and the rectum, and are "surrounded" by the large and small intestines.

If you drink water and your bladder is filled with urine, the ultrasound will pass through the urine stored in the bladder and display a clear image of the uterus and appendages on the fluorescent screen of the ultrasound machine. If there is no urine in the bladder, the area in front of the uterus and its appendages will be filled with gas, and the sound waves will not be able to penetrate and will be reflected back, so the ultrasound examination cannot be performed smoothly. This is why you need to drink water before a gynecological B-ultrasound.

Ultrasonic examinations such as B-ultrasound are commonly used auxiliary examination items in clinical practice, but not all examination items require holding urine.

Guidance:

Generally, ultrasound examinations of the urinary system, prostate, uterine appendages, etc. require holding urine. After holding urine, the bladder swells, which can better display the shape of the organ to be examined and help diagnose the disease.

Before doing a B-ultrasound, many people don't like to hold their urine. In this way, the results of the examination cannot reflect their physical condition. Therefore, holding urine is to enable us to see some of our systems and organs more carefully and make the examination items more accurate. Therefore, it is recommended that you drink more water and hold urine before the B-ultrasound.