Cystometry, urethrocystometry, and videocystourethrography.

A number of techniques are available to detect detrusor overactivity. The test best suited to an individual investigator is a function of expertise, frequency of use, cost, availability, and ability to interpret the testing method. Even the simplest methods may be used effectively when the examiner understands the test and its limitations. Many investigators will find it useful to use more than one of these techniques. It is in the patient's best interest for her physician to maintain a reasonable index of suspicion and continue testing rather than submit her to inappropriate therapy based on an inadequate evaluation.