John Hay (cardiologist)

John Hay (25 November 1873 – 21 April 1959) was a British cardiologist.

He was born in Birkenhead, Lancashire, the son of a Scottish architect and educated at the Liverpool Institute and the Victoria University of Manchester, qualifying M.B. in 1896.^[1]

From 1900 to 1903 he was medical tutor and registrar at the Liverpool Royal Infirmary. In 1905 he identified a form of second degree AV block.^[2][3][4] In 1907 he was appointed Assistant Physician and set up the first specialised heart department in the north of England.

During World War I he served at the 1st Western General Hospital, becoming a lieutenant-colonel in the Royal Army Medical Corps.^{[citation needed]}

He was elected a Fellow of the Royal College of Physicians in 1915 and in 1923 delivered their Bradshaw Lecture on Prognosis in Angina Pectoris.^[5] In 1924 he was appointed Professor of Medicine (part-time) at the University of Liverpool. He retired to live at Bowness in the Lake District, where he died in 1959.^{[citation needed]}

He had married in 1906 Agnes Margaret Duncan, daughter of William Duncan of Tyldesley, Lancashire. They had two sons and two daughters.^{[citation needed]}