Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments that treat this condition Cardiovascular Medicine Cardiovascular Surgery By Mayo Clinic Staff Request an appointment Diagnosis & treatment April 30, 2022 Print Share on: FacebookTwitter Related Associated Procedures Cardiac ablation Electrocardiogram (ECG or EKG) Holter monitor Pacemaker Show more associated procedures Sick sinus syndromeSymptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20377538 Patient Care & Health Information Diseases & Conditions Sick sinus syndrome