Fig 80.c
1o AVB with PR interval 0.40â. This is where Bix rule should be considered: is another P wave hiding half-way, in the QRS complex? Unlikely in this case: the atrial rate would have to be 168/min if 2:1 AVB were present.
1o AVB with PR interval 0.40â. This is where Bix rule should be considered: is another P wave hiding half-way, in the QRS complex? Unlikely in this case: the atrial rate would have to be 168/min if 2:1 AVB were present.