Corrigan pulse is the excessive visible arterial pulsations in aortic incompetence. Not to be confused with the palpated 'water-hammer pulse'.
Sir Thomas Watson (1792 - 1882) was an English physician. Remembered for his description of the palpable pulse of aortic regurgitation as likened to a Victorian toy, the water-hammer pulse in 1837
Sir Dominic John Corrigan, 1st Baronet (1802-1880) was an Irish physician. Eponym: Corrigan pulse (1832), Corrigan disease (1832), Corrigan cirrhosis (1836), Corrigan button (1846), and Corrgian sign (1854)