functional diagnostics gastrointestinal polygram net tm calculations in electrogastrography

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

POLYGRAM NETTM

Calculations

in

ElectroGastroGraphy

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Analysis in POLYGRAM NETTM

Capture Review Report Details about the Analysis

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Running Spectrum Analysis

Performed on segments containing 60 seconds of data

Based on a Auto Regressive Moving Average model.

Produce one spectrum for each time segment Overview of frequency changes during study Provides a high frequency resolution

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Overall Spectrum Analysis

Performed on a segment of the time domain signal

Window with 256 seconds of data forms the base for the calculation

Produce one One-sided Power Density Spectrum

Overview of overall frequency content in time segment

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Analysis in Capture

Running Spectrum Analysis PeakPowerFrequency

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Analysis in Review

Overall Spectrum Analysis Running Spectrum Analysis Generic Analysis

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Review - Verify

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Review - Clinical

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Review - Universal

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Review - Matrix

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Analysis in Report

Overall Analysis Percentage EGG Classification Percentage Distribution of EGG Power Dominant Power and Frequency Power Instability Coefficient VAIVA Propalyser Power Ratio Clipouts

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Artifact removal

Clinical Scientific, No reset of RSA Model Scientific, Reset of RSA Model

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Percentage EGG Classification

Calculates the percentage of Bradygastria, Normal, Tachygastria and Arrhythmia based on results from the Running Spectrum Analysis.

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Percentage Distribution of EGG Power

Calculates the percentage distribution of the EGG-power for the Bradygastria, Normal, Tachygastria and Duo ares.

Total

BradyPercentage A

APB *100

Total

NormalPercentage A

APN *100

Total

TachyPercentage A

APT *100

Total

DuoPercentage A

APD *100

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Dominant Power and Frequency

Based on results from the Overall Spectrum Analysis and the Percentage of EGG Classification.

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Power Instability Coefficient

Based on a standard deviation calculation and the Dominant Power and Frequency calculation.

S

DFkDFSD

S

kAvg

Freq

1

2))((

AvgNormal

FreqFreq DF

SDIC

S

DPkDPSD

S

kAvg

Power

1

2))((

Avg

PowerPower DP

SDIC

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

VAIVA Propalyser

Multichannel analysis

)),2(),,1(min(),4(),,3(max( tchannelDPtchannelDPtchannelDPtchannelDPDP fSpatialDif

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Power Ratio

The Ratio as a factor of the Power Spectrum for two user defined time segmens.

FUNCTIONAL DIAGNOSTICSGASTROINTESTINAL

Clipouts

Add clipouts from Review Clinical, Universal, and Matrix to the report by clicking