Angina PectorisAngina, UnstableCold TemperatureAngina Pectoris, VariantAngina, StableCommon ColdMicrovascular AnginaLudwig's AnginaCoronary VasospasmCoronary AngiographyMyocardial InfarctionCold ClimateErgonovineCold IschemiaCoronary DiseaseElectrocardiographyMyocardial IschemiaExercise TestNitroglycerinCoronary Artery DiseaseCounterpulsationAcetanilidesIsosorbide DinitrateCoronary VesselsChest PainAngioplasty, Balloon, CoronaryFollow-Up StudiesCoronary Artery BypassMyocardial RevascularizationAcclimatizationProspective StudiesTime FactorsTreatment OutcomeAtherectomy, CoronaryCold Shock Proteins and PeptidesThermosensingRisk FactorsElectrocardiography, AmbulatoryDouble-Blind MethodAcute Coronary SyndromeCoronary CirculationCold-Shock ResponseRecurrenceCardiovascular AgentsPrognosisVasodilator AgentsAdrenergic beta-AntagonistsCoronary ThrombosisBody Temperature RegulationBiological MarkersNicorandilHeart RatePlatelet Aggregation InhibitorsThermoreceptorsOrgan PreservationCoronary StenosisSyndromeTroponin TPredictive Value of TestsC-Reactive ProteinNifedipineCardiac CatheterizationCalcium Channel BlockersPhysical ExertionChronic DiseaseSeverity of Illness IndexStentsAspirinTrimetazidineOxyfedrineAcute DiseaseBlood PressureOrgan Preservation SolutionsFibrinopeptide ASkin TemperatureExercise ToleranceRisk AssessmentHirudin TherapyCreatine KinaseMentholAngiocardiographyLaser TherapyRetrospective StudiesUltrasonography, InterventionalCollateral CirculationHeartAtenololImmersionDipyridamoleFreezingStress, PhysiologicalAngioscopyDrug Therapy, CombinationHemodynamicsPropranololIodobenzenesTomography, Emission-Computed, Single-PhotonMetoprololHot TemperatureRaffinose