Kirsten Tolstrup is Assistant Director of the Cardiac Non-invasive Laboratory in the Division of Cardiology at Cedars-Sinai Medical Center and Assistant Professor of Medicine at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA). Board-certified in internal medicine and cardiovascular disease, Dr Tolstrup specialises in trans-thoracic and trans-oesophageal cardiac ultrasound. Her research interests include use of magnetocardiography for the non-invasive detection of cardiac disease and she has established the first magnetocardiography laboratory in a cardiology division in the US. Dr Tolstrup is a member of the Board of Directors of the Los Angeles Society of Echocardiography (LASE) and is a member of the American Heart Association (AHA) Clinical Cardiology Council, American Society of Echocardiography (ASE), Heart Valve Society of America (HVSA), and a fellow and member of the American College of Cardiology (ACC). She completed medical school at the University of Copenhagen Health Sciences Center, her residency in internal medicine at the University of Southern California (USC) + Los Angeles County (LAC) Medical Center in Los Angeles and her cardiovascular fellowship at the University of New Mexico Health Sciences Center, under the direction of Dr Michael H Crawford.