PainChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementAbdominal PainNeck PainPain, IntractableVentricular Function, LeftPelvic PainPain PerceptionFacial PainVentricular Dysfunction, LeftAcute PainPain, ReferredHypertrophy, Left VentricularShoulder PainMusculoskeletal PainAtrial Function, LeftAnalgesicsNeuralgiaNociceptive PainTreatment OutcomeHeart VentriclesChronic DiseaseAnalgesics, OpioidEchocardiographyMyofascial Pain SyndromesHyperalgesiaComplex Regional Pain SyndromesVisceral PainTime FactorsArthralgiaStroke VolumeProspective StudiesAnalgesiaLabor PainFollow-Up StudiesHeart AtriaElectrocardiographyNociceptorsSeverity of Illness IndexMyocardial ContractionHemodynamicsHeartQuestionnairesDiastoleAnesthetics, LocalFunctional LateralityFibromyalgiaFlank PainDisability EvaluationMyocardial InfarctionCatastrophizationTomography, X-Ray ComputedDouble-Blind MethodMyocardiumAnalysis of VarianceVentricular RemodelingHeart FailureSystoleDogsRetrospective StudiesEye PainHypoplastic Left Heart SyndromeMorphinePredictive Value of TestsAnalgesics, Non-NarcoticCoronary CirculationBlood PressureDisease Models, AnimalLidocaineReproducibility of ResultsInjections, SpinalRats, Sprague-DawleyQuality of LifeSciaticaCardiac VolumeRisk FactorsToothacheNerve BlockOsteoarthritis, KneeCoronary AngiographyHeart RateVentricular FunctionVentricular PressureHeart AneurysmCardiac CatheterizationSpinal NervesPhysical Therapy ModalitiesRange of Motion, ArticularRadiculopathyCoronary VesselsKnee JointPhantom LimbTemporomandibular Joint DisordersCardiomyopathy, Dilated