尿潴留,是指膀胱内尿液不能排出体外而停聚在膀胱内。若尿液完全在膀胱潴留,称完全性尿潴留;如果排尿后仍有残留尿液,称不完全性尿潴留或部分性尿潴留;若尿潴留是急性发生者称为急性尿潴留,急性尿潴留时膀胱胀痛,尿液不能排出;慢性发生者称慢性尿潴留,这类患者经常有少量持续排尿,在小腹部(耻骨联合上)有发胀不舒服感觉,甚至出现饱满感,尤其是身体偏瘦的患者在急慢性尿潴留明显时, Urinary retention, refers to the urinary bladder can not be discharged from the body and stop in the bladder. If the urine is completely in the bladder retention, said complete urinary retention; if residual urine after voiding, said incomplete urinary retention or partial urinary retention; if urinary retention is acute, known as acute urinary retention, acute urinary Hollow bladder pain retention, urine can not be discharged; chronic occurrence of chronic urinary retention, these patients often have a small amount of continuous urination, in the lower abdomen (pubic symphysis) have swollen uncomfortable feeling, or even fullness, especially Thin patients in acute and chronic urinary retention was obvious,