52 Laborie alpHaONE User & Service Manual LBL-01791 [B]
In the example shown in Figure4-14,thepHdropisoutsidetheartifactmarkers.Thesymptomisstillseenasreux
related.
Figure4-14: NoArtifact:pHDropIsNotWithinArtifactMarkers
Inserting a pH Artifact Marker
YoucanusethepHartifactmarkertoexcludethemeasuredpHfromanalysisforacertaintimewhilekeepingthe
remaining data for analysis.
Thiscanbeveryusefulinsituationssuchaswhenthepatienthasahiatalherniawithanacidpocket,andthepH
channel is measuring the pH at this point.
pH Artifact Marker and pH Results
ForthepHresults,allpHsamplesmarkedwithapHartifactareexcludedforthepHresultcalculation.Thisis
compatiblewiththecalculationmethodusedfortheoverallartifactmarkers.
pH Artifact Marker and Symptom Results
For the symptom results the symptoms between pH artifacts are omitted at the symptom results for pH only. In the
pHanalyzecolumnofthesymptomresults,thesesymptomsaremarkedwithpHArtifact.
ThesamplesmarkedaspHartifactareexcludedinthepHtable,thetext(Artifacttimeexcluded) displays in the pH
tablewhentherearepHartifactmarkersavailable.
Inserting Other Markers
YoucaninsertothermarkersviathemenubychoosingMarker > Insert marker, as described earlier in this section.
youcanalsoinsertamarkerbydoingeitherofthefollowing:
•
Onthekeyboard,presstheInsertkey
•
Right-clickinthegraphandthen,onthecontextmenuthatopens,chooseInsert marker, as illustrated in
Figure4-15.