Table 5. The severity of hypermagnesemia.

Note: Table 5 was developed on the basis of earlier published paper [25,26].

Severity	Levels	Signs and symptoms
Mild	> 1.1 mmol/L to 3.0 mmol/L	Asymptomatic or vague symptoms of weakness, nausea, dizziness, and confusion. Usually present at concentration >2 mmol/L
Moderate	3.0 to 5.0 mmol/L	Diminished reflexes, deteriorating confusion, urinary incontinence, headache, and constipation. Hypotension, bradycardia, and blurry  Vision.
Severe	5.0 to 6.0 mmol/L	Flaccid paralysis, breathing difficulty, pronounced hypotension, bradycardia, prolonged P-R interval, and atrioventricular block.
Severe to fatal	>6.0 mmol/L	Coma and cardiopulmonary arrest.