Question

A 32-year-old woman presents with recurrent episodes of palpitations, sweating and tremor relieved by eating. Capillary glucose during symptoms is 3.0 mmol/L. She is not diabetic and takes no regular medication. What is the most appropriate initial investigation?

Accepted Answer

72-hour supervised fast with serial glucose, insulin and C-peptide

Answer

Fasting blood glucose only

Answer

HbA1c

Answer

Random insulin level

Answer

Oral glucose tolerance test

Practice question

A 32-year-old woman presents with recurrent episodes of palpitations, sweating and tremor relieved by eating. Capillary glucose during symptoms is 3.0 mmol/L. She is not diabetic and takes no regular medication. What is the most appropriate initial investigation?