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. There is a very prominent U-wave and some of what may appear to be a QT interval is a QU interval. This is an extremely dangerous ECG. The K returned at 1.9 This is extremely low for DKA.
Dr. Smith's ECG Blog
APRIL 8, 2016
Could the dysrhythmias have been prevented? It would be difficult to get a nurse to give it faster! During the resuscitation, I ordered 10 mEq KCl push, but the patient received 40 mEq of KCl, push (far more than recommended) The resident had ordered 40 mEq and that is what the nurses heard. Is 40 mEq too much?
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. In summary — this leaves us with the abrupt onset of a regular WCT rhythm at ~185-190/minute ( that woke this nursing home patient up from a sound sleep ) — without any clear sign of atrial activity.
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). It would be difficult to get a nurse to give it faster! Hospital admission had been recommended, but she left that ED against medical advice. Is 40 mEq too much?
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