Urodynamics of the lower urinary tract.

The principles and techniques of uroflowmetry, cystometry, pressure-flow studies and urethral pressure profilometry are reviewed. The interpretation of urodynamic tests depends on the methodology used and whether the patients usual voiding symptoms during the examination. The more complicated urodynamic tests may require computer assistance both for data storage but also for test interpretation. One of the main challenge in future urodynamic is to transform these tests to clinical usable tools.