Urodynamic Lingo

The Many Cs of Urodynamics

Broad classifications for voiding dysfunction

UDS tools

UDS Measurements

Abnormal UDS Findings

Abrams Griffiths / ICS nomogram, from Campbell's

Schafer nomogram, from Campbell's

Interpreting UDS

Filling phase

Detrusor overactivity

Emptying phase


Tips for Diagnosing certain diseasess

Female SUI and Prolapse

OAB, UUI, and Mixed Incontinence

Neurogenic Bladder

Lower Urinary Tract Symptoms

Expected findings based on level of neurologic injury

Level of injury Overall picture Bladder Sphincter Synergy? Lower limbs Bulbocavernosus Reflex
Suprapontine Detrusor overactivity Spastic Normal Yes Normal Present
Suprasacral cord Detrusor/sphincter dyssynergia Spastic No Spastic
Sacral cord or below Acontractile detrusor Flaccid Flaccid Flaccid Absent