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GRAPHIC PRESENTATION OF NEUROMUSCULAR EXCITABILITY PROVOKED BY THE ELECTRIC RECTANGULARIMPULSES

Čedomir LJUBIN ; Klinika za fizikalnu medicinu, rehabilitaciju i reumatologiju Kliničke bolnice "Sestre milosrdnice", Zagreb

Sažetak

Since 1962. the graphic presentation of the neuromuscular excitability, provoked
by electric rectangular impulses, in the fonn of the intensity-duration curve has been used
in Croatia, in the Electrodiagnostic Laboratory of the Clinical Department of Physical
Medicine, Rehabilitation and Reumatology al "Sestre milosrdnice" University Hospital.
This graphic presentation has had three alternative names: intensity-duration curve (1/t curve}, electrostatogram (ELS) and strength-duration curve (SD curve). Since 1990. in this
electrodiagnostic laboratory the neuromuscular excitability provoked by electric
rectanguJar impulses has been presented also in the form of line (lit line), beside the
presentation in the form of curve (1/t curve). Presentation of the neuromuscular excitability
in the form of the line has several important benefits compared to the presentation in the
form of the curve. TI1ese benefits are possibility of the precise determination of the angle,
range and the position of the line in the coordinate system as well as the easier comparison
of the "motor" lines and the "sensor" lines. The new parameters, characteristic for the line,
provide more reliable diagnostic and prognostic evaluation as well as better therapeutic
approach. On the basis of these facts we have proposed the use of the 1/t line in the
electrodiagnostic routine measurement, beside the l/t curve. Namely, parameters of the 1/t
line in comparison to the l/t curve provides broader electrodiagnostic possibilities.

Ključne riječi

Strenghth-duration line; strenghth-duration curve; mathematical definition

Hrčak ID:

141972

URI

https://hrcak.srce.hr/141972

Datum izdavanja:

25.3.1997.

Podaci na drugim jezicima: hrvatski

Posjeta: 1.212 *