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Another interesting "Bigemini" pattern 😀. #EPeeps #Cardiologytrainees. Try explaining the mechanism and diagnosis? @EPeeps_Bot 
Is this true bigemini or "pseudo bigemini"? Reason?
The purpose of this post was to highlight a "measurement error". When we measure the RR intervals in wide complexes, always do from the beginnings of the R waves, not the peak. here delay in the later part of the QRS is causing an illusion of a later QRS, but RR is constant.
