Wiktionary
magnesemia
n. (context pathology English) The presence of magnesium ions in the blood
Wikipedia
Magnesemia
Magnesemia is the presence of magnesium in the blood. Low levels of Magnesium causes Cardiac ventricular arrhythmia.. note also: Seizures are CNS Arrhythmia. Normal value ranges from 1.5 to 2 mEq