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Nexam Pro User Manual
Chapter 13
Linear PURR (LPURR)
The linear PURR is the simplest approximation of the PURR, a straight line,
starting at Pmuo and ending at the point Qmax/PdetQmax. The position and
slope of the linear PURR provides most clinical information from the original
PURR to define the individual outflow conditions.
Read also:
W. Schäfer (1990): Principles and clinical application of advanced urodynamic
analysis of voiding function,
Urology clinics of North America
- Vol. 17, No 3,
August 1990.
W. Schäfer: Analysis of bladder-outlet function with the linearized passive
urethral resistance relation...,
World of Urology
, Volume 13 number 1, 1995.
Miguel Virseda Chamorro et al. (1988): Caracterizacion del DURR (relacion de
resistencia uretral dinamica) en el estudio de los sintomas funcionales del
tracto urinario inferior en el varon.
13.5.9 CHESS Detrusor/Flow plot
The CHESS detrusor-flow plot shows an x-y plot of detrusor pressure related
to the flow. It serves as an aid for diagnosing bladder outlet obstruction.
Click the
Det/flow plot (CHESS)
button or choose
Options >
CHESS
Detrusor/flow plot
from the menu to display the plot.
Figure 13.14
CHESS Detrusor/flow plot
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