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. 2017 Oct 11;56(23):3199–3204. doi: 10.2169/internalmedicine.8932-17

Table 2.

Results of 72-hour Fasting Test.

7 hr 30 min after glucagon
Plasma glucose (mg/dL) 45 123
Insulin (μU/mL) 10.9 15.4
C-peptide (ng/mL) 3.09 3.31

The 72-hour fasting test was performed the next day after admission to our hospital for investigation of spontaneous hypoglycemia. Glucagon (1 mg) was administered after confirming plasma glucose ≤45 mg/dL.