<prompt> Capsule endoscopy is used forGERDMotility disorderBleedingPeritoneal metastsis  <response>: Video capsule endoscopy provides visualization of the GI tract by transmitting images wirelessly from a disposable capsule to a data recorder worn by the patient.WCE wireless capsule endoscopy has been approved for a number of indications in patients as young as 2 years. Most common indications :obscure GI bleeding OGIB, both ove and occult, including iron deficiency anaemia 2 suspected Crohns Disease 3 surveillance of patients with polyposis syndromes; 4 suspected small-intestine tumours; 5 suspected or refractory malabsorptive syndromes eg, celiac disease.Relative contraindications:1 with known or suspected GI obstruction, strictures, or fistulas based on the clinical picture or pre-procedure testing, 2 with cardiac pacemakers or other implanted electromedical devices, 3 with swallowing disorders, 4 who are pregnant.However Multiphasic contrast-enhanced CT enterography with wireless capsule endoscopy found significantly greater sensitivity with CT enterography than capsule endoscopy 88 vs 38 in identifying a source of occult gastrointestinal bleeding.In clinical practice, CT enterography and capsule endoscopy are complementary, paicularly in the investigation of benign causes of blood lossRef: Grainger and Allison;s diagnostic radiology 6th edition, page no 674 and Aicle on Wireless capsule endoscopyVolume 78, No. 6: 2013 GASTROINTESTINAL ENDOSCOPY 