Urology & Urogynecology > Education and Reference

CLINICAL APPLICATION NOTES
Introduction to Urodynamics III: Urodynamic Procedures
Urodynamic Procedures

In the lower urinary tract, the typical urodynamic procedures performed include:

- Uroflowmetry
- Cystometrogram (CMG)
- Valsalva Leak Point Pressure (VLPP)
- Pressure-Flow
- Urethral Pressure (UP) / Urethral Pressure Profile (UPP)
- Electromyography (EMG) - as an additional paramater
- Video Urodynamics

The one procedure performed in the upper urinary tract is the Whitaker Test.

ICS Terms for Urodynamics
Q:  flow 
QVol:  voided volume 
pves:    vesical or bladder pressure 
pabd:  abdominal pressure 
pdet:  detrusor muscle pressure/activity 
pura:      urethral pressure 
pclo:  urethral closure pressure 
IVol:       computed (infused) volume 
EMG: 
external sphincter electromyography

Urodynamic Equipment

Urodynamic equipment comes in a variety of shapes and sizes. Strip chart recorders mounted on an IV pole were some of the earliest urodynamic equipment but are not too common now. Following are photos of two Life-Tech urodynamic systems.

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Intro to Urodynamics TOC
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