Page 413 - ECG dr shamol_Slide

rd
Complete or 3 degree hear block

Clue to diagnosis
In brady-cardia ECG usually less than 40 where P—P AND R—R regular and there is no relation of P and QRS complex
(u identify it by that PR is not fixed it is variable)

PR = is not fixed (variable)

R—R = rregular
P—P =regular

P≠ QRS, no relation between P and QRS

complex.

Brady-cardia