Electrolytes

Δ AG / Δ HCO₃

Detects coexisting acid-base disturbance overlying HAGMA.

acid-basemetabolic acidosis

Required inputs

Measured AG
Patient baseline AG
Measured HCO₃
Normal HCO₃

Equation or source

Wrenn K. Ann Emerg Med 1990;19:1310.

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