UROLOGY

Bladder Emptying: Complete Emptying

Jun 20, 2017 by in UROLOGY Comments Off on Bladder Emptying: Complete Emptying

Fig. 18.1 CMG: slightly decreased cystometric bladder capacity (~330 mL); no DO; high compliance; no leak with valsalva maneuver; incomplete emptying on PFS with high-pressure, low-flow pattern (P det@Q max = 57…

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Test Tracings: Final Exam

Jun 20, 2017 by in UROLOGY Comments Off on Test Tracings: Final Exam

Fig. 20.1 This study demonstrates: 1. Detrusor overactivity   2. Stress urinary incontinence   3. Impaired compliance   4. Detrusor sphincter dyssynergia (DSD)   5. Increased bladder sensation   Answer…

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Bladder Filling and Storage: “Capacity”

Jun 20, 2017 by in UROLOGY Comments Off on Bladder Filling and Storage: “Capacity”

From the frequency–volume chart maximum and average-voided volumes can be determined as can the median functional bladder capacity which is defined as the median maximum voided volume during every day…

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Bladder Filling and Storage: “Compliance”

Jun 20, 2017 by in UROLOGY Comments Off on Bladder Filling and Storage: “Compliance”

Fig. 12.1 (a) Calculating compliance. A = 495 ml/3 cm H2O A = 165 ml/cm H2O (b) Calculating Compliance. B = 400 ml/62 cm H2O B = 6.5 ml/cm H2O When analyzing compliance on an urodynamic tracing, the…

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Bladder Emptying: Coordination of Bladder and Sphincters

Jun 20, 2017 by in UROLOGY Comments Off on Bladder Emptying: Coordination of Bladder and Sphincters

Fig. 17.1 Normal voiding pattern Notice in Fig. 17.1, as bladder filling occurs EMG activity increases (increased somatic innervation to external sphincter) at the line annotated as “strong desire.” Once…

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Bladder Emptying: Contractility

Jun 20, 2017 by in UROLOGY Comments Off on Bladder Emptying: Contractility

where V t = volume of noncontracting bladder wall tissue [7]. Although some studies report WF and WFmax, no consensus has been made regarding normative values particularly in female patients [6, 8,…

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Urodynamic Studies: Types and Indications

Jun 20, 2017 by in UROLOGY Comments Off on Urodynamic Studies: Types and Indications

Fig. 1.1 Three examples of uroflow patterns: (a) Normal bell-shaped. (b) Obstructive pattern. (c) Straining pattern It is helpful to obtain a PVR after completion of uroflowmetry in order to…

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