Other signs of endocarditis include Roth's spots and Janeway lesions.

At Johns Hopkins he was the identifier of Janeway lesions.

Janeway lesions are distal, flat, ecchymotic, and painless.

They are usually painful, as opposed to Janeway lesions which are due to emboli and are painless.

Osler's nodes and Janeway lesions are similar, but Osler's nodes present with tenderness and are of immunologic origin.

His father, Theodore Caldwell Janeway, was the first full-time professor of medicine at the Johns Hopkins University School of Medicine and the identifier of Janeway lesions.

Janeway lesions are non-tender, small erythematous or haemorrhagic macular or nodular lesions on the palms or soles only a few millimeters in diameter that are pathognomonic of infective endocarditis.