Arrhythmia Dysrhythmia Nursing 
Dr. Smith's ECG Blog
FEBRUARY 2, 2017
So the real QT is shorter, but the computer does not mention the U-wave, and the U-wave is as important as the T-wave in predicting cardiac dysrhythmias. IV administration of potassium is indicated when arrhythmias are present or hypokalemia is severe (potassium level of less than 2.5 This is an extremely dangerous ECG.
Dr. Smith's ECG Blog
APRIL 8, 2016
Could the dysrhythmias have been prevented? IV administration of potassium is indicated when arrhythmias are present or hypokalemia is severe (potassium level of less than 2.5 malignant ventricular arrhythmias are present), rapid replacement of potassium is required. It would be difficult to get a nurse to give it faster!
Dr. Smith's ECG Blog
APRIL 15, 2020
Inferior MI results in scar tissue which is a likely source of a re-entrant ventricular dysrhythmia. There are 6 KEY parameters to consider in systematic assessment of any arrhythmia. Here is the post-cardioversion ECG: There is sinus with RBBB There are inferior Q-waves suggesting old inferior MI.
Dr. Smith's ECG Blog
NOVEMBER 30, 2019
She had home health nurse visits, and a BMP was sent the next day (the day prior to admission, presumably after 120 mEq of KCl replacement -- if she was taking as directed). IV administration of potassium is indicated when arrhythmias are present or hypokalemia is severe (potassium level of less than 2.5 Is 40 mEq too much?
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