Early repolarization end-QRS notch and slur terminology

(A) Illustration of the amplitudes J onset (Jo), J peak (Jp), and J termination (Jt), as well as durations D₁ and D₂, in relation to an end-QRS notch, as defined in the text.
(B) Illustration of Jp and Jt, as well as D₂, in relation to an end-QRS slur.