Episode 287: 286. Does Hypokalemia cause Heart Badness?

https://onlinelibrary.wiley.com/doi/10.1111/joim.13757


ECG abnormalities were present in 40% of hypokalemic patients and included t-wave flattening/inversion, ST-segment depression, QTc prolongation, longer QRS duration, and high heart rate. 

 

 

 after adjustment for potential confounders, only heart rate >100 beats per minute and not the ECG abnormalities was associated with those adverse outcomes, and this association was noted only when potassium levels were