DepartmentsMayo Clinic Children'sPediatricsSpecialty GroupsPediatric CardiologyLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Biographical summaryIvor Asztalos, M.D., is a pediatric electrophysiologist who specializes in treating heart rhythm disorders in patients with congenital heart disease and in children. Conditions treatedHeart arrhythmiaHeart blockSupraventricular tachycardiaVentricular tachycardia Procedures performedAblation therapyAtrial flutter ablationCryotherapyElectrocardiogramEP studyHolter monitoringImplantable cardioverter-defibrillator insertionImplantable loop recorder insertionPacemaker battery replacementPacemaker insertionRadiofrequency ablationSVT ablationVentricular tachycardia ablation InterestsRadiofrequency ablationCryoablation (Cryocath)Three-dimensional mapping systemsTemporary pacingTransesophageal pacingElectrophysiology studiesTransvenous and epicardial pacemakersImplantable cardioverter defibrillators (ICDs)Implantable loop recordersPharmacologic management of arrhythmia Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2024Master of Biomedical InformaticsUniversity of Pennsylvania2015MS - Clinical EpidemiologyUniversity of Pennsylvania2015MDUniversity of Pennsylvania School of Medicine2009BS - BiologyTufts UniversityShow more education Activities and honorsPublicationsSee my publications Biographical summaryConditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20590437 Doctors & Medical Staff Asztalos, Ivor B. M.D.