re arrhythmia in article apr husc harvard edu perry husc harvard edu alexis perry writes in article apr vaxc stevens tech edu u averba vaxc stevens tech edu writes doctors said that he could die from it and the medication caused is it that serious my ekg often comes back with a few irregular beats another question is a low blood potassium level very bad my doctor seems concerned but she tends to worry too much in general the term arrhythmia is usually used to encompass a wide range of abnormal heart rhythms cardiac dysrhythmias some of them are very serious while others are completely benign having a few irregular beats on an ekg could be serious depending on what those beats were and when they occurred or could be of no significance low blood potassium levels probably predispose people with underlying heart disease to develop arrhythmias very low potassium levels are clearly dangerous but it is not clear how much of a problem low end of normal levels are a lot of cardiologists seem to treat anyone with even a mildly low normal potassium level david rind rind enterprise bih harvard edu
