1. Detection of heart disease by open access echocardiography: a retrospective analysis of general practice referrals by John Chambers, Saleha Kabir, and Eric Cajeat BJGP Volume 64(619):e105-e111 January 27, 2014 ©2014 by British Journal of General Practice

2. Histogram showing number of requests by clinical indication. aIncluded previous heart surgery, abnormalities suggested by echocardiography while on holiday and previous treatment for heart disease, but was often not explained in detail on the form. bInclude... John Chambers et al. Br J Gen Pract 2014;64:e105-e111 ©2014 by British Journal of General Practice

3. Histogram showing Group 1–4 as a percentage of the total by indication. John Chambers et al. Br J Gen Pract 2014;64:e105-e111 ©2014 by British Journal of General Practice

4. Histogram showing frequency of mild (Group 2) and significant (Group 3 and 4) abnormalities of left ventricular geometry and function according to clinical request. John Chambers et al. Br J Gen Pract 2014;64:e105-e111 ©2014 by British Journal of General Practice