systemet Posted February 1, 2012 Share Posted February 1, 2012 Just for general interest, it is possible to visualise SA / AV nodal activity using invasive techniques. The images below shows an electrocardiogram recorded from the right atria (HRA) and then closer to the AV node (HBE). As I understand it, which isnt particularly well, the A-H time represents AV delay, whereas the H-V time represents the time requires for conduction from the Bundle of His to the Purkinje fibers. 1 Link to comment Share on other sites More sharing options...
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