Abdominal Key

Fig. 1 (a) Abrams-Griffiths nomogram. Plot uses detrusor pressure at maximum urinary flow and maximum urinary flow rate. Reproduced from Lim CS and Abrams P. The Abrams-Griffith nomogram. World J…

Term Definition Maximum flow rate (Qmax) The maximum measured value of the flow rate Maximum pressure (pabd.max, pves.max, pdet.max) The maximum value of the pressure measured during a pressure-flow study…

Fig. 1 Effects of sacral neuromodulation (SNM) on EMG tracing Physiologic artifact may also interfere with EMG tracings. The most common cause of artifact is the EMG signal generated from…

Fig. 1 Room set-up. Toddler is relaxed in supine position while watching a video. Catheters are in place. Fluoroscopy unit is in position An experienced team of professionals who are…

Fig. 1 Highly stylized diagram of the vesicourethral muscularis and rhabdosphincter to illustrate the muscle layers (components not drawn to scale, outer longitudinal layer not included) The Neural Control of…

Radiographic study Typical radiation dose in millisieverts (mSv) Chest X-ray 0.02–0.04 KUB 0.08 Fluoroscopy during VUDS 0.34 CT abdomen/pelvis 10–30 CT urogram 40 Advantages of Fluoroscopy Multi-channel urodynamics without fluoroscopy…

Fig. 1 A 6 Fr dual lumen urethral catheter for urodynamic testing Bladder Catheter Placement After the above mentioned catheter is obtained, the patient is prepped and draped in normal…

Fig. 1 Example of a cystometric tracing. It could be due to pathology, a test artifact or normal activity. Clinical context is needed In summary, testing needs clinical context to…

Fig. 1 Uroflowmeter (right), complete voiding equipment with funnel and chair (left). During uroflowmetry patient must void as usually does Indications Prior to invasive UDS, it is important to do…

The average flow rate should be at least 8 cc/s for any adult (which corresponds to a maximum flow rate of 15 cc/s which is considered normal) [11]. To help…