一、定义:排尿不通畅需用力方能排尽时叫作排尿困难;当困难发展致使每次排尿后尚有少量尿存留膀胱内,则名残余尿;如残余尿超过100毫升则为慢性或不完全性尿潴留;当排尿困难突然发展成为完全不能小便时,所有小便皆存留膀 First, the definition: urination is not smooth and need to be exhausted when dysfunction is called dysuria; when the difficult development resulting in a small amount of urinary bladder after each urination, the name of residual urine; such as residual urine more than 100 ml is chronic or Incomplete urinary retention; when urine dyspnea suddenly develops into complete urination, all urine is retained