URODYNAMICS is the term that describes a series of diagnostic tests used to evaluate voiding disorders. These tests will provide answers to clinical questions that arise about a patient's bladder and outlet function, after they have visited the physician with specific complaints.
The typical patient complaints that lead to a urodynamic evaluation include:
- slow stream
- postmicturition dribble
Flow information can be utilized two ways as part of a urodynamic procedure:
- UROFLOW W/RESIDUAL is performed when the patient arrives at the lab with a full bladder and voids into a beaker that is placed on a weight transducer or load cell.
- FLOW/PRESSURE studies are typically performed immediately following a filling cystometrogram and require the use of smallest catheter practical, to measure pressure in the bladder while the patient voids.
The UROFLOW is a screening test only. It demonstrates the result of the micturition reflex and the information obtained will indicate the presence of dysfunction. An abnormal UROFLOW indicates a voiding disfunction and should be followed by for further testing.
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