Bladder capacity
First sensation to void
Micturition
Bladder volumes
Bladder capacity: 400-600 ml
First sensation to void: 150-300 ml (40% capacity)
Micturition: 400 ml
Delancy’s hammock theory
Dynamic muscular support aiding in continence. Manipulation of urethrovesical angle by LA activation/relaxation
Normal voids per day/night
Frequency
Duration
Volume
5-8x a day, 0-1x at night 7-8X per 24 hours Every 2-5 hours 8-10 second duration 1.5 quarts passed a day
Sympathetic vs parasympathetic effects on bladder
Sympathetic=storage
Parasympathetic = pee
ATLA vs ATFP
ATLA: broad thickening of fascia for which LA (iliococcygeus) attached
ATPF: medial to ATLA for which fascial/connective tissues (versus muscle) attach to.
Cause for bladder dysfunction in elderly
DIAPPERS
Delirium Infection Atrophy of urethra/vagina Pharmacologic agents Psychological disorders Endocrine dysfunction Restricted mobility Stool impaction