By Kenneth Mangion
One in ten of all chest pain presentations to primary care have been reported to be due to coronary heart disease (CHD).(1,2) In the UK, rapid access chest pain clinics have been proven to be an effective way of identifying patients with angina.(3,4) There are a variety of non-invasive tests available for the investigation of patients with stable chest pain including anatomical imaging with CT coronary angiography (CTCA) and functional testing including stress electrocardiography, radionuclide scintigraphy, echocardiography, or magnetic resonance imaging.(5–10) Historically, the mainstay non-invasive test has been stress electrocardiography, together with a clinical history and examination.