Siroky Nomogram

The purpose of urodynamic testing is to reproduce the patient's symptoms in a controlled laboratory setting. A variety of measurements (bladder and urethral pressures, urine flow rate, fluoroscopic imaging) are made, and based on these observations and the clinical acumen of the examining physician, a diagnosis can be found that explains the patient's complaints. In men with lower urinary tract symptoms (LUTS), the primary urodynamic question is whether or not there is bladder outlet obstruction. A variety of urodynamic techniques may be used to address this question.

From: Management of Benign Prostatic Hypertrophy Edited by: K. T. McVary © Humana Press Inc., Totowa, NJ

Siroky Nomogram

0 -I—I-j—I--1-1-1--1-1-p—-1—p-1—-1—I-1—

0 100 200 300 400 500

Volume (ml)

Fig. 1. Siroky nomogram for evaluation of uroflow results. The peak flow rate (vertical axis) and total bladder volume (voided volume plus residual volume, horizontal axis) are plotted as a single point on the nomogram. The shaded zone indicates values that occur in < 2.5% of the normal male population.

0 -I—I-j—I--1-1-1--1-1-p—-1—p-1—-1—I-1—

0 100 200 300 400 500

Volume (ml)

Fig. 1. Siroky nomogram for evaluation of uroflow results. The peak flow rate (vertical axis) and total bladder volume (voided volume plus residual volume, horizontal axis) are plotted as a single point on the nomogram. The shaded zone indicates values that occur in < 2.5% of the normal male population.

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Responses

  • OSMAN
    What is a siroky plot?
    4 years ago
  • roxanna morrissey
    What is a siroky nomogram?
    11 months ago

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