Does color ultrasound hold urine?

Can certainly tell you, do color ultrasound whether to hold urine and check the site, generally do kidney, ureter, bladder color ultrasound, prostate color ultrasound should hold urine; Female patients do uterine accessories, abdominal do should also hold urine, lower than other parts of the b-ultrasound generally do not advocate holding urine, such as simple do kidney b-ultrasound do not hold urine, do hepatobiliary spleen b-ultrasound do not hold urine, do scrotal color ultrasound also do not hold urine, do hernia color ultrasound also do not need to hold urine, it is recommended to do abdominal b-overtime do not drink water, do not eat, fasting conditions do. It is suggested that if ascites examination is done, urine should not be held, and stool should be emptied before examination to reduce the interference of intestinal gas, so that the results of examination are more accurate.