Does the urinary system need fasting?

Urological system B ultrasound can not be examined on an empty stomach. If the results of the examination are more accurate, the effect of detection is better, and it is best to perform B ultrasound on an empty stomach. Because after eating, intestinal gas is more, especially for some obese patients, the effect of the examination is not good, and it is not easy to show the shape of the ureter and bladder. It is recommended to do urinary system B ultrasound, must be completed under the guidance of the doctor, so that the results of the examination are effective, the accuracy rate is higher, and the purpose of the examination can be achieved.