Has anyone heard of a second degree heart block that is considered type 1 but not a weinkebach? I was taught in an EKG course that there is also a Mobitz type 1 called 2 to 1 conduction, where you have 2 p waves for every QRS. I know that in type 2 mobitz you can have multiple p waves and dropped beats, but the p waves that have an associated qrs will have a constant p-r interval and in weikebach the p-r gets longer and then drops. i just can't seem to find other nurses that have heard of this other mobitz type 1 that is called 2-1 conduction. Did my instructor make this one up?