Cardiac Arrest Circulation Dysrhythmia 
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. If cardiac arrest from hypokalemia is imminent (i.e., mEq of K pushed fast and circulated theoretically would raise serum K immediately by 1.0 mEq/L, from 1.9
Dr. Smith's ECG Blog
NOVEMBER 30, 2019
If cardiac arrest from hypokalemia is imminent (i.e., Here is another post on hypoK: Patient with severe DKA, look at the ECG In this post, I discussed another patient I took care of : Prehospital Cardiac Arrest due to Hypokalemia I recently had a case of prehospital cardiac arrest that turned out to be due to hypokalemia.
Dr. Smith's ECG Blog
APRIL 8, 2016
Could the dysrhythmias have been prevented? If cardiac arrest from hypokalemia is imminent (i.e., mEq of K pushed fast and circulated theoretically would raise serum K immediately by 1.0 As I indicated above, in our cardiac arrest case, after pushing 40 mEq, the K only went up to 4.2 mEq/L, from 1.9
Dr. Smith's ECG Blog
JULY 22, 2023
There were no dysrhythmias on cardiac monitor during observation. This discussion comes from this previous post: Hyperthermia and ST Elevation Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias. Circulation, 117, 1890–1893. [3]:
Dr. Smith's ECG Blog
JANUARY 30, 2019
The limb lead abnormalities appear to be part of the Brugada pattern, as described in this article: Inferior and Lateral Electrocardiographic RepolarizationAbnormalities in Brugada Syndrome Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias.
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