Investigation of lower urinary tract dysfunction should be based on findings of detrusor contractility, external sphincter activity, flow rate, and anatomical changes during voiding.

• 因此要检查出下尿路功能异常应该根据排尿时期的各种生理发现，包括逼尿肌收缩力、外括约肌活性、尿流速以及下尿路的解剖学变化。