Purpose: To calculate the strong ion gap from serum anions and cations.			Citations with documentation. 13.01.03	Medal Project 2003. See disclaimer.
conversion	enter
serum albumin in g/L		g/L equals	0	g/dL
data	enter
Are you evaluating a patient for the strong ion gap? (Y or N)		:-):-):-)
serum sodium in mEq/L		mEq/L
serum potassium in mEq/L		mEq/L
serum chloride in mEq/L		mEq/L
serum magnesium in mg/dL		mg/dL
serum calcium in mg/dL		mg/dL
serum lactate in mg/dL		mg/dL
serum urate in mg/dL		mg/dL
pCO2 in mm Hg		mm Hg
pH
serum albumin in g/dL		g/dL
phosphate in mg/dL		mg/dL
intermediate calculation	result
corrected of serum calcium for albumin	9	mg/dL
ionized calcium in mEq/L	2.11	mEq/L
factor for urate	0.374
factor for pCO2	20.93
factor for albumin	1.15
factor for phosphate	2.27
calculate	result
data complete?	Yes
evaluation appropriate?	Yes	:-):-):-)
apparent strong ion difference	25.3	mEq/L
effective strong ion difference	24.3	mEq/L
strong ion gap	0.98	mEq/L