Electrolytes

Magnesium replacement (approximate)

Empiric IV Mg replacement based on severity.

magnesium

Required inputs

  • Serum Mg (mg/dL)
  • Weight (kg)
  • Symptomatic (tetany, arrhythmia, seizure)

Equation or source

Ayuk J. Q J Med 2014;107:607.

Provenance and release status

Equation / algorithm
Empiric IV Mg replacement based on severity.
Formula version
mg-deficit-v1
Tool version
2.4.0
Clinical risk class
C. HIGH-RISK CLINICAL CALCULATOR
Release status
Temporarily unavailable
Source status
Direct primary source identifier not yet resolved
Clinical review status
Clinical verification incomplete; active calculation unavailable
Clinical review date
Clinical review date not yet documented

DOI / PMID / direct guideline identifier not yet documented.

Assumptions

  • Entered values and units are accurate and apply to the population described by the cited source.
  • The published equation or rule is being used without a patient-specific clinical adjustment.

Important limitations

  • The result is a calculated estimate, not a prescription, treatment order, or diagnosis.
  • Local protocols, the full clinical context, and the primary source must be checked before use.
View verification status