Profound Metabolic Acidosis due to Metformin Intoxication Requiring Dialysis

Table 1

Lab values.

Laboratory variables	Labs on admission	Labs on discharge	Normal values
PCO2 (mmHg)	10.2	37.7	37–43
HCO3 (mmol/L)	1.30	24.3	22–28
pH	6.728	7.426	7.37–7.44
WBC (×10^9/L)	17.7	11.1	4–12
Hemoglobin (g/dl)	9.2	8.8	12.3–15.7
Platelets (×10^9/L)	318	521	150–440
Sodium (mEq/L)	131	139	135–145
Potassium (mEq/L)	6.3	3.3	3.5–5.1
Chloride (mEq/L)	85	104	92–109
Blood sugar (mg/dl)	235	77	60–100
HbA1C (%)	9.1	N/A	3–5
Anion gap	44.7	12	8–12
Serum albumin	2.4	1.8	3.4–5.4
BUN (mg/dL)	99	23	8–25
Creatinine (mg/dL)	11.8	2.02	0.5–1.5
Lactic acid (mmol/L)	19.9	0.5	0.5–2.2
Salicylate level (mg/dL)	<2	N/A	<2
Troponin (ng/ml)	0.037	N/A	0–0.017
Calcium (mg/dl)	8.3	9.1	8–10.4
AST (units/L)	18	106	10–40
ALT (units/L)	22	257	7–56
Alkaline phosphatase (units/L)	78	289	25–115
Total protein (g/dL)	5.9	5.9	5.6–8.4
Magnesium (mg/dL)	2.9	2.4	1.6–2.8