John Hay
John Hay (1873-1959) English physician first to record second degree atrioventricular (AV) block now better known as Mobitz type II AV block
Tag John Hay
AV Block: 2nd degree, Mobitz II (Hay block)
A review of the ECG features of Mobitz II 2nd degree AV block - Originally termed Hay block (1906) by Mobitz in 1924. ECG Library LITFL
Heart Block and Conduction Abnormalities
Heart Block and Conduction Abnormalities with first, second, third degree blocks; and fascicular blocks