Dr. R. Ravi began his primary medical training at Stanley Medical College, studied Postgraduate Internal Medicine at Madras Medical College and completed his DM in Gastroenterology for Madras Medical College. His special clinical interests lie in ERCP, Diagnostic EUS and therapeutic EUS and more. He is skilled to perform 3rd space endoscopy procedures like POEM, FNB acquisition and coeliac plexus block.
MBBS, Stanley Medical College, 1983, Chennai, India
MD (Medicine), Madras Medical College, 1989, Chennai, India
DM (Gastro), Madras Medical College, 1995, Chennai, India
Affiliations and Memberships
Indian Medical Association (State Council Member)
Indian Society of Gastroenterology (Governing Council Member, Tamilnadu Chapter)
Indian Society of Gastrointestinal Endoscopy
September 2018 – Till date – Director, Dr. Rela Institute, Chennai
Krishnan A, Ramakrishnan R. Endoscopic management of migrated biliary T- tube. Endoscopy 2011;43 (2): UCTN:E325
Krishnan A, Ramakrishnan R, Venkataraman J. Endoscopic intervention for symptomatic choledocholithiasis in pregnancy. Clinics and Research in Hepatology and Gastroenterology. 2011; 35(11):772-4
Krishnan A, Ramakrishnan R, EUS-Guided endoscopic Necrosectomy and Temporary cystogastrostomy for Infected Pancreatic Necrosis with self-expanding metallic stents. Surg Laparosc Endosc Percutan Tech. 2012 Oct;22(5):e319-21
Arunkumar Krishnan, Ravi Ramakrishnan, Sankar Srinivasan, Sunil Kumar. A rare presentation of multiple large primary extramedullary Hepatic Plasmacytoma. Exp Clin Hep 2012; 8(3- 4): I -3
Arunkumar Krishnan, Ravi Raniakrishnan. A rare cause of intestinal obstruction induced by a retained foreign body, Thai J Gastroenterol 2012; 13(3): 171-3
Arunkumar Krishnan, Ravi Ramakrishnan, Jayanthi Venkataraman. Langerhans’ Cell Histiocytosis and choledocholithiasis: A causal relationship or coincidence. Gastroenterology & Hepatology 2012; 8( 11):766-7
Krishnan A, Ramakrishnan. R, Venkataraman J. Endoscopic Management and Role of interim Plastic Biliary Stenting in Large and Multiple Pigmented Common Bíle Duct Stone. Euroasian J Hepato-Clastroenterol 2013;3(2):89-93.
Arunkumar Krishnas, Ravi Ramakrishnan, Maya R. Endoscopic removal of granular cell tumours of the stomach: A case report. Gastroenterology Research. 2013;6(6):240-3.
An expert in ERCP procedures completed about 10000 ERCPs including Biliary and Pancreatic endotherapy, cholangioscopy and large stone management with laser lithotripsy
An expert in interventional EUS procedures like FNA, FNB acquisition, EUS guided biliary drainage, Cystogastrotomy, Coeliac plexus block
Wide experience in endoscopic management of pancreatic necrosis including endoscoopic necrosectomy for walled off pancreatic nerois and direct endoscopic necrosectomy
Skilled to perform 3rd space endoscopy procedures like POEM, ESD and STER
Has extensive experience in management of GI bleeding including EVL, EST, OVESCO,
Cipping and EUS guided coiling of fundal varix.
Interested in cancer palliation and does esophageal stenting, colonic stenting, duodenal stenting and biliary SEMS stenting
Faculty in all National Conferences on ERCP and EUS workshops
He has been involved in training many gastro doctors in interventional procedures