Potassium abnormalities Tessa Davis Cite this article as: Tessa Davis. Potassium abnormalities, Don't Forget the Bubbles, 2014. Available at: https://doi.org/10.31440/DFTB.5795Hypokalaemia K + < 2.5 mmol/L: Prominent U wave develops with apparent prolongation of the QTc Flat or diphasic T waves ST segment depression As K + falls further: PR interval prolongs Sinoatrial block may occur Hyperkalaemia As K + rises: Tall peaked T waves, best seen in precordial leads Prolongation of QRS duration Prolongation of PR interval Disappearance of P waves Wide bizarre diphasic QRS complexes (sine waves) Eventual asystole April 3, 2014
Potassium abnormalities
Tessa Davis. Potassium abnormalities, Don't Forget the Bubbles, 2014. Available at:
https://doi.org/10.31440/DFTB.5795
Hypokalaemia
K + < 2.5 mmol/L:
As K + falls further:
Hyperkalaemia
As K + rises: