Which patients with suspected thiamine deficiency should be referred for specialist assessment or further investigation?

The provided UK guidelines do not explicitly specify which patients with suspected thiamine deficiency should be referred for specialist assessment or further investigation for the thiamine deficiency itself ¹,².

However, the guidelines do recommend offering parenteral thiamine to individuals with suspected Wernicke's encephalopathy ². Additionally, patients with alcohol-related liver disease should be referred to a specialist experienced in its management to confirm a clinical diagnosis ².