An electrocardiogram device, and a corresponding method of administering an electrocardiogram, includes a housing that is placed over a patients chest, a plurality of electrodes mounted on the housing that align with precordial positions, a conductive gel pad detachably affixed on the housing between the electrodes and the patients body, and an attachment mechanism for attaching the electrocardiogram device to the patients chest. The electrocardiogram device of the present invention is suitable for portable or remote testing, and it ensures proper placement of the electrodes for accurate and consistent results.