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Physician ReviewerMBBS, MD, DM (Gastroenterology)

Dr. Randhir Sud, MBBS, MD, DM, MAMS

Chairman, Institute of Digestive & Hepatobiliary Sciences, Medanta – The Medicity

License VerifiedActive & In Good Standing

ID: DMC-09180

Delhi Medical Council (DMC) & Indian Society of Gastroenterology (ISG)

Professional Background & Bio

Dr. Randhir Sud is the Chairman of the Institute of Digestive and Hepatobiliary Sciences at Medanta – The Medicity, Gurugram. Recipient of the Padma Shri award, he is a pioneer in therapeutic gastrointestinal endoscopy, pancreatic-biliary disorders, and digestive health with over 35 years of clinical practice.

Medical Specialization

Gastroenterology, Therapeutic Endoscopy, Hepatobiliary Diseases, GERD, IBD

Clinical Experience

35+ Years Gastroenterology & Digestive Medicine

Hospital / Clinical Affiliation

Chairman, Institute of Digestive and Hepatobiliary Sciences, Medanta – The Medicity, Gurugram, Delhi NCR

Education & Medical Training
  • DM in Gastroenterology - All India Institute of Medical Sciences (AIIMS), New Delhi
  • MD in General Medicine - AIIMS, New Delhi
  • MBBS - Government Medical College, Amritsar
Professional Profiles
Medanta Gastroenterology LeadershipPubMed Clinical Citations

Academic Thesis & Medical Research

140+ Indexed Clinical Papers & Therapeutic Endoscopy Chapters
Postgraduate Thesis / Dissertation Title:

“Therapeutic Endoscopic Retrograde Cholangiopancreatography (ERCP) in Complex Pancreaticobiliary Strictures and Pancreatic Calculi”

Institution: All India Institute of Medical Sciences (AIIMS), New Delhi

Doctorate of Medicine (DM) dissertation on interventional endoscopic ultrasonography (EUS)-guided drainage, biliary metallic stenting, and pharmacological prophylaxis against post-ERCP pancreatitis.

Key Investigative & Clinical Research Domains:
• Advanced Therapeutic Endoscopy & Endoscopic Ultrasonography (EUS)• Chronic Calcific Pancreatitis Management & Extracorporeal Shock Wave Lithotripsy• Gastroesophageal Reflux Disease (GERD) & Barrett's Esophagus Surveillance• Colorectal Polyp Detection & Early GI Cancer Screening

Clinical Areas Reviewed for mediguide4u:

Acid Reflux (GERD), Barrett's Esophagus & Dietary ModulationIrritable Bowel Syndrome (IBS) & Low-FODMAP TherapeuticsChronic Pancreatitis, Gallbladder Sludge & Biliary HealthColon Cancer Screening, Colonoscopy & Polyps
Conflict-of-Interest & Editorial Independence Disclosure

Dr. Sud reports no commercial conflicts of interest or device manufacturer sponsorships.

Guides Medically Reviewed by Dr. Randhir Sud, MBBS, MD, DM, MAMS

Verified for medical accuracy, safety guidelines, and clinical evidence.

4 Reviewed
Vitamin B12 lab blood test tubes, diagnostic report, and neurological nerve assessmentPreventive Care & Diagnostics
2026-10-1810 min read

Vitamin B12 Deficiency and Peripheral Neuropathy: Symptoms, Methylmalonic Acid (MMA) Testing, and Injection vs. Sublingual Protocols

A detailed physician reviewed guide on how to diagnose, screen and treat vitamin B12 deficiency. Including neurological symptoms such as subacute combined degeneration of the spinal cord, intrinsic factor, serum B12 assay ranges, Homocysteine and MMA, and Oral vs injectable Cyanocobalamin and Methylcobalamin.

Physician VerifiedRead Guide
Chronic Kidney Disease (CKD): Stages, eGFR Decline, Potassium, and Renal NutritionSenior Healthcare & Longevity
2026-09-1110 min read

Chronic Kidney Disease (CKD): Stages, eGFR Decline, Potassium, and Renal Nutrition

Chronic Kidney Disease (CKD) is characterized by progressive, irreversible loss of renal function lasting longer than 3 months, classified into 5 clinical stages based on estimated Glomerular Filtration Rate (eGFR) and albuminuria tiers. Review KDIGO staging heatmaps, metabolic complications (hyperkalemia, hyperphosphatemia, renal anemia), and specialized renal medical nutrition therapy.

Physician VerifiedRead Guide
Gout and Hyperuricemia: Uric Acid Causes, Flare-Up Relief, and Low-Purine DietDigestive Health & Clinical Nutrition
2026-08-2110 min read

Gout and Hyperuricemia: Uric Acid Causes, Flare-Up Relief, and Low-Purine Diet

Gout is an intensely painful inflammatory crystal arthropathy triggered by monosodium urate (MSU) crystal deposition in synovial joints and periarticular tissues. Explore the biochemistry of purine catabolism, hyperuricemia saturation thresholds (>6.8 mg/dL), acute flare abortive therapies (Colchicine, NSAIDs), and lifelong treat-to-target Urate-Lowering Therapy (Allopurinol).

Physician VerifiedRead Guide
Routine Blood Tests Explained: Understanding CBC, CMP, Lipid, and Liver PanelsPreventive Care & Diagnostics
2026-07-2210 min read

Routine Blood Tests Explained: Understanding CBC, CMP, Lipid, and Liver Panels

Routine diagnostic blood panels provide a vital biochemical window into hematological, renal, hepatic, and metabolic homeostasis. Explore the clinical interpretation of the Complete Blood Count (CBC with differential), Comprehensive Metabolic Panel (CMP 14), standard vs. functional reference ranges, and critical flag triggers.

Physician VerifiedRead Guide

Articles Written by Dr. Randhir Sud, MBBS, MD, DM, MAMS

Educational healthcare resources created for public health literacy.

4 Authored
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) diagnostic ultrasound scan and medical consultationHeart & Cardiometabolic Health
2026-10-1810 min read

Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): Stages, SGPT/ALT Tests, FibroScan, and Evidence-Based Dietary Reversal

A comprehensive clinical roadmap to understanding and reversing Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD). Covers hepatic fat accumulation, elevated ALT/SGPT interpretation, FibroScan CAP scores, insulin resistance, and an actionable evidence-based dietary plan.

Heart & Cardiometabolic HealthRead Guide
Irritable Bowel Syndrome (IBS): Subtypes, Visceral Hypersensitivity, and Low-FODMAP DietDigestive Health & Clinical Nutrition
2026-09-1210 min read

Irritable Bowel Syndrome (IBS): Subtypes, Visceral Hypersensitivity, and Low-FODMAP Diet

Irritable Bowel Syndrome (IBS) is a disorder of gut-brain interaction (DGBI) affecting roughly 10% of the global population, characterized by recurrent abdominal pain associated with altered bowel habits. Review Rome IV diagnostic criteria, IBS subtypes (IBS-C, IBS-D, IBS-M), visceral hypersensitivity, Small Intestinal Bacterial Overgrowth (SIBO), and the 3-phase Low-FODMAP elimination and reintroduction protocol.

Digestive Health & Clinical NutritionRead Guide
GERD and Chronic Acid Reflux: Triggers, PPI Medications, and Dietary AdjustmentsDigestive Health & Clinical Nutrition
2026-08-2310 min read

GERD and Chronic Acid Reflux: Triggers, PPI Medications, and Dietary Adjustments

Gastroesophageal Reflux Disease (GERD) is a chronic digestive disorder occurring when acidic gastric contents retrograde into the esophagus, causing mucosal inflammation and distressing symptoms. Explore the biomechanics of Lower Esophageal Sphincter (LES) incompetence, step-up vs. step-down medical therapies (PPIs, H2 blockers), endoscopic screening for Barrett's esophagus, and clinical dietary strategies.

Digestive Health & Clinical NutritionRead Guide
Colorectal Cancer Screening: Colonoscopy, Cologuard, and Stool DNA Test GuidelinesPreventive Care & Diagnostics
2026-07-2410 min read

Colorectal Cancer Screening: Colonoscopy, Cologuard, and Stool DNA Test Guidelines

Colorectal Cancer (CRC) is the second leading cause of cancer-related mortality in adults, yet it is one of the most preventable malignancies. Explore current USPSTF guidelines recommending screening start at age 45, the adenoma-to-carcinoma progression sequence, comparative accuracy of optical Colonoscopy vs. non-invasive Stool DNA (FIT-DNA / Cologuard), and bowel prep protocols.

Preventive Care & DiagnosticsRead Guide