what does an ekg result of "borderline rhythm" mean?


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Rhythm is sequential beating of the heart generated by a single beat or sequence of beats. Borderline rhythm is close to having a heart block. Sometimes the signal from the heart's upper chambers (atria) to lower chambers (ventricles) is impaired or doesn't transmit. This is "heart block" or "AV (atrioventricular) block." This does not mean that blood flow or blood vessels are blocked. There are several degrees of heart block. The worst being third degree which may require a pacemaker.
It means that it barely reaches the normal standard expected.


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