DepartmentsCardiovascular MedicineLocationRochester, MinnesotaLanguagesArabicEnglishExisting patientsSend a secure message via patient portal Appointments 507-512-4285 Request an appointment online Biographical summaryAmmar Killu, M.B.B.S., is a board-certified cardiologist with subspecialty certification in Cardiac Electrophysiology. He obtained his medical degree from St. George's Hospital Medical School, University of London, in England. He completed his Internal Medicine residency and Cardiovascular Diseases fellowship training at Mayo Clinic, Rochester. He went on to obtain his Cardiac Electrophysiology certification from Brigham and Women's Hospital, Harvard Medical School, before returning to Mayo Clinic as a Mayo Scholar to complete his Advanced Cardiac Electrophysiology training. Conditions treatedAtrial fibrillationAtrial flutterAtrial tachycardiaAtrioventricular heart blockHeart arrhythmiaHypertrophic cardiomyopathyHypertrophic obstructive cardiomyopathyLeft bundle branch blockMonomorphic ventricular tachycardiaSupraventricular tachycardiaVentricular arrhythmiaVentricular fibrillationVentricular tachycardia Procedures performedAblation therapyEndovenous thermal ablationEpicardial ablationHybrid ablationLeft atrial appendage closureVentricular fibrillation treatmentVentricular tachycardia ablation InterestsManagement of patients with electrophysiological / arrhythmia problems related to specific heart conditionsComplex cardiac ablation, including for atrial and complex ventricular arrhythmiasMinimally invasive epicardial-based procedures for management of complex arrhythmiasHybrid catheter-based / surgical ablation in concert with cardiovascular surgical colleagues. Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2019FellowRST Sleep Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2018Mayo Clinic Scholar - Clinical Cardiac ElectrophysiologyMayo Clinic2018SubSpec FellowRST Cardiology, Advanced Adult, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2017Fellowship - Clinical Cardiac ElectrophysiologyBrigham and Women's Hospital2016FellowCardiovascular Disease, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2016Fellowship - Cardiovascular DiseasesMayo School of Graduate Medical Education2013ResidentInternal Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2013Residency - Internal Medicine ResidencyMayo School of Graduate Medical Education2010Residency - Foundation Year 1 & 2 TrainingSt. Georges Hospital - UK2008Medical SchoolSt. George's Hospital Medical SchoolShow more education Activities and honorsCertifications2018Clinical Cardiac ElectrophysiologyAmerican Board of Internal Medicine2016Cardiovascular DiseasesAmerican Board of Internal Medicine2013Internal MedicineAmerican Board of Internal MedicineShow more certificationsAwards and honors20202020 Provider Recognition AwardRochester Mayo Clinic Experience2016Cardiovascular Diseases Fellowship Outstanding Achievement AwardMayo School of Graduate Medical Education2016Fellowship Scholarship Award Brigham and Women's Hospital2013Senior Medical Resident Teacher or the Year AwardMayo School of Graduate Medical Education2012Geriatrics AwardUniversity of California San Francisco2012Geriatrics AwardUniversity of California San Francisco2012Cardiologists of Tomorrow-Best Case Report Presentation Abstract Winner: Erdheim-Chester Disease An increasingly common cardiovascular problemEuropean Society of Cardiology2011Medical Images WinnerMayo School of Graduate Medical Education2009Merit of Achievement from South Thames Foundation School Trust for Outstanding Contribution to TeachingSt. Georges Hospital2008Sir Theo Crawford Prize in PathologySt. George's Hospital Medical School, United Kingdom2008Webb Prize in MicrobiologySt. George's Hospital Medical School, United Kingdom2008Elek Prize in Clinical ImmunologySt. George's Hospital Medical School, United Kingdom2008Distinction in Clinical PracticeSt. George's Hospital Medical School, United Kingdom2008Overall Honors for Medical TrainingSt. George's Hospital Medical School, United Kingdom2007Distinction in Clinical ScienceSt. George's Hospital Medical School, United Kingdom2005The Goldberg-Schachmann & Freda Becker Award University of London2004Distinction in Medical ScienceSt. George's Hospital Medical School, United Kingdom2004Wolfson Foundation Medical Intercalated Degree Award.St. George's Hospital Medical School, United KingdomShow more awards and honorsProfessional memberships2022 - 2023Research ReviewerAmerican College of Cardiology2017 - presentInvited MemberCirculation Arrhythmia and Electrophysiology2017 - presentInvited ParticipantJACC Clinical Electrophysiology2015Organizing Committee MemberAmerican College of Cardiology2015 - presentInvited ParticipantPacing and Clinical Electrophysiology (PACE) Journal2014 - 2015Co-EditorAmerican College of Cardiology2013 - 2016Co-ChairMayo Clinic2013 - 2015Co-ChairMayo Clinic2013 - 2015Co-ChairMayo Clinic2013 - 2014Committee MemberMayo Clinic2013 - presentOrganizing ChairMayo Clinic2007 - 2008Panel MemberSt. George's Hospital medical School2006 - 2008Clinical InstructorSt. George's Hospital Medical SchoolShow more professional membershipsPublicationsSee my publicationsResearch activitiesSee a description of research activities. Biographical summaryConditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20379684 Doctors & Medical Staff Killu, Ammar M. M.B.B.S.