title: 23-year-old woman with syncope.
authors.affiliation: Resident in Internal Medicine, Mayo School of Graduate Medical Education, Mayo Clinic, Rochester, MN.
authors.forename: Caroline A
authors.initials: CA
authors.lastname: Ball
authors.affiliation: Resident in Internal Medicine, Mayo School of Graduate Medical Education, Mayo Clinic, Rochester, MN.
authors.forename: Livia T
authors.initials: LT
authors.lastname: Hegerova
authors.affiliation: Advisor to residents and Consultant in Cardiovascular Diseases, Mayo Clinic, Rochester, MN. Electronic address: nkomo.vuyisile@mayo.edu.
authors.forename: Vuyisile T
authors.initials: VT
authors.lastname: Nkomo
mesh_terms: D003937:Diagnosis, Differential; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D019028:Magnetic Resonance Imaging, Cine; D009205:Myocarditis / Q000150:complications* / Q000175:diagnosis; D013575:Syncope / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D014057:Tomography, X-Ray Computed; D055815:Young Adult