Diagnosis and Treatment for Gastrointestinal System Conditions

Are you experiencing abdominal pain, constipation or diarrhea? Do you have blood in your stool, excessive gas or heartburn? These may be signs of an issue with your digestive system.

South Texas Health System Clinics’ gastroenterologists, Dr. Ted Pettle and Dr. Ingrid Chacon, diagnose and treat diseases and conditions of the gastrointestinal system, including the esophagus, stomach, liver, gallbladder, biliary system, pancreas, intestines and rectum.

Dr. Pettle and Dr. Chacon provide various advanced treatments including:

  • Colonoscopy
  • Enteroscopy
  • Endoscopic exam of esophagus, stomach and small intestine (EGD)
  • Endoscopic exam of the bile ducts (ERCP)
  • Endoscopic ultrasound
  • Endoscopic feeding tube replacement
  • Endoscopic mucosal resection (EMR)
  • Esophageal manometry
  • Radiofrequency ablation (RFA)

Conditions and diseases that Dr. Pettle treats include:

  • Inflammatory bowel disease (IBD) including Crohn’s disease
  • Irritable bowel syndrome (IBS)
  • Acid reflux
  • Barrett’s esophagus
  • Cancer (colorectal, esophageal, intestinal, liver, pancreatic, stomach)
  • Celiac disease
  • Colitis (C. difficile, collagenous, ischemic, lymphocytic, microscopic, pancolitis, ulcerative)
  • Diverticulitis
  • Food allergies (gluten intolerance, lactose intolerance)
  • Gallstones
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal reflux disease (GERD)
  • Gastroparesis
  • H. pylori (bacterial overgrowth)
  • Hemorrhoids
  • Hepatitis (A, B and C, alcoholic, autoimmune, chronic)
  • Liver disease (cirrhosis, fatty liver, liver transplant)
  • Narcotic bowel syndrome
  • Pancreatitis
  • Polyps