A site for medical students - Practical,Theory,Osce Notes

Clinical features of Uninhibited bladder

Site of lesion              -     Frontal lobe
Bladder sensation     -     Present
Bladder evacuation   -     Sudden
Bladder distension    -     May or may not be present
Bladder capacity       -     Variable
Bladder control          -     Lost
(initiation & Inhibition)
Urine stream              -Normal
Residual Urine           - Nil
Urine volume with each evacuation -May be small or large
Realization of having passed urine  -Absent
The voluntary inhibitory control is abolished.Hence the patient urinates in inappropriate places without realising that he has done so 
e.g. frontal lobe lesions, mental retardation, dementia, cerebral palsy.