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. 2019 Jun 17;12:1756284819852047. doi: 10.1177/1756284819852047

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Diagnostic algorithm in persons with suspected diabetic gastroenteropathy.

People with bothersome gastrointestinal symptoms should first undergo laboratory and imaging tests for exclusion of organic disease. If these are not helpful and symptoms are severe, or do not respond to simple therapeutic measures, GI function tests should be performed based on individual symptom pattern. These may reveal manifestations of diabetic gastroenteropathy (e.g. typical small bowel dysmotility in a person with diarrhoea), complications of diabetic gastroenteropathy (e.g. small bowel bacterial overgrowth) or differential diagnoses (e.g. lactose intolerance). BT: breath test; CHO: carbohydrate; EMG: Electromyography; GERD: gastro-oesophageal reflux disease; GI: gastrointestinal; HRM: high resolution manometry; SIBO: small bowel bacterial overgrowth; TG: triglyceride; WMC: wireless motility capsule.