Location of Lesions Responsible for Blood Loss in the Gastrointestinal (GI) Tract

Inclusion Criteria: * Male and female patients aged 18 years and over and up to but not exceeding 80 years * Patients presenting with IDA whom require gastroscopy and colonoscopy as per national guidelines (1) Exclusion Criteria: * Patients who have contraindications to gastroscopy or colonoscopy * Patients under the age of 18 years * Patients over the age of 80 years * Active vomiting * Patients with a permanent pacemaker, implantable cardioverter-defibrillator or REVEAL device * Patients with any electronic/magnetic/mechanically controlled devices e.g. sacral nerve stimulators, bladder stimulators * Patients with dysphagia, odynophagia or known swallowing disorder * Patients with known Zenker's diverticulum * Patients with suspected bowel obstruction or bowel perforation * Patients with prior bowel obstruction * Patients with gastroparesis or known gastric outlet obstruction * Patients with known Crohn's disease * Patients who are taking daily non-steroidal anti-inflammatory drugs (excluding prophylactic doses of aspirin) for more than six months * Patients who have received abdominopelvic radiotherapy treatment * Patients with a history of GI tract surgery (Billroth I, Billroth II, Oesophagectomy, gastrectomy or bariatric procedure) * Patients that are pregnant or lactating * Patients with altered mental status that would limit their ability to swallow * Patients with allergy to conscious sedation, polyethylene glycol or metoclopramide * Patients unwilling to swallow th…