VHTC - Transforming Education, Shaping Tomorrow

Gastrointestinal bleeding, commonly called a GI bleed, means blood loss from any part of the digestive tract. The bleeding may begin in the esophagus, stomach, small intestine, colon, rectum, or anus. It is not a disease by itself. It is a symptom or complication of another condition t...

GERD, gastritis, and peptic ulcer disease affect the upper digestive system, but they are not the same condition. GERD mainly affects the esophagus, gastritis involves inflammation of the stomach lining, and peptic ulcer disease causes an open sore in the stomach or the first part of t...

Diverticular disease affects the large intestine, also called the colon. It develops when small pouches push outward through weak areas in the colon wall. Doctors call one pouch a diverticulum and multiple pouches diverticula. These pouches occur most often in the sigmoid colon, which is the lower section of the large intesti...

Chemical formulas provide a compact way to represent substances, elements and compounds. A formula tells you which elements are present and how their atoms or ions combine. For example, H₂O contains two hydrogen atoms and one oxygen atom, while CO₂ contains one carbon atom and two oxygen atoms.

Learning the most important chemical formu...

Inflammatory bowel disease, or IBD, is an umbrella term for chronic conditions that cause inflammation in the digestive tract. Its two main forms are Crohn’s disease and ulcerative colitis. Both move through periods of active symptoms, called flares, and quieter periods, called remiss...