<investigation, radiology> A diagnostic study that measures pressures within the bladder. Often used in the evaluation of urinary dysfunction and incontinence. ... (27 Sep 1997) ... 
cystometrogram A graphic recording of urinary bladder pressure at various volumes.
(CMG) Type: Term Pronunciation: sis′tō-met′rō-gram Definitions: 1. A graphic recording of urinary bladder pressure at various volumes.