ManometryEsophageal Motility DisordersSphincter of OddiEsophagusPeristalsisDeglutitionAnal CanalEsophageal AchalasiaPressureEsophageal Spasm, DiffuseEsophageal Sphincter, LowerEsophageal Sphincter, UpperEsophageal pH MonitoringEsophagogastric JunctionGastrointestinal MotilityGastroesophageal RefluxDeglutition DisordersEsophageal DiseasesCommon Bile Duct DiseasesFecal IncontinenceDiagnostic Techniques, Digestive SystemConstipationBiosensing TechniquesDefecationTransducers, PressureRectumMonitoring, AmbulatoryMyoelectric Complex, MigratingWireless TechnologyPostcholecystectomy SyndromeGastrointestinal TransitFundoplicationSphincter of Oddi DysfunctionIntestinal Pseudo-ObstructionFluoroscopyTechnetium Tc 99m DisofeninElectric ImpedancePharynxRectal ProlapseFissure in AnoHernia, HiatalEsophagoscopyAmpulla of VaterChest PainEquipment DesignSpeech, EsophagealSpasmEsophagitis, PepticRectal DiseasesTransducersGastric EmptyingRemote Sensing TechnologyButylscopolammonium BromideSurgical StaplingMegacolonDilatationDuodenumSphincterotomy, EndoscopicDigestive System Surgical ProceduresMicro-Electrical-Mechanical SystemsDefecographyGastrointestinal AgentsTechnetium Tc 99m LidofeninCholecystectomyEquipment Failure AnalysisDiverticulum, EsophagealEructationHydrogen-Ion ConcentrationAnti-Dyskinesia AgentsEncopresisLarynx, ArtificialPyloric AntrumEsophagitisMonitoring, PhysiologicVideo RecordingHeartburnComputer Communication Networks