This paper aims to describe the normal patterns and variations of chest lead electrocardiograms in healthy individuals.
The purpose of this paper is to describe the normal pattern and variation of the electrocardiogram in the chest leads in common use. Standards for the limb lead electrocardiogram in health have been determined by many investigators including Lewis and Gilder (1912), Jensen, Smith, and Cart- wright (1932), Shipley and Hallaran (1936), Ashman and Hull (1937), Chamberlain and Hay (1939), Barnes (1940), Hoskin and Jonescu (1940), Pardee (1941), Hall, Stewart, and Manning (1942), Graybiel and others (1944), and Stewart and Manning (1944). In the same way, the normal appear- ance of certain chest lead electrocardiograms have been described by Kossman and Johnston (1935), Sorsky and Wood (1937), Wood and Selzer (1939), Deeds and Barnes (1940), Shanno (1940), Larsen and Sku'lason (1941), Myers and others (1947), Grewin (1948), and Dolgin, Grau, and Katz (1949).
Aubrey Leatham (1950) studied this question.