Nurse Key

Gastroenteritis: Part I QUICK LOOK AT THE CHAPTER AHEAD Gastroenteritis is an inflammation of the gastrointestinal system. It is a sudden onset on symptoms and can be caused by viral,…

Gastroenteritis: Part II QUICK LOOK AT THE CHAPTER AHEAD Nausea and vomiting are common problems with a variety of causes. Nausea is defined as an unpleasant sensation described as “feeling…

Intestinal Obstruction and Paralytic Ileus QUICK LOOK AT THE CHAPTER AHEAD Paralytic ileus and intestinal obstruction are caused by tumors, adhesions, or can occur due to effects of certain drugs…

Diverticulitis QUICK LOOK AT THE CHAPTER AHEAD By age 80, more than 50% of the U.S. population has acquired the condition called diverticulosis in which individual outpouchings, or diverticula, present…

Inflammatory Bowel Disease: Part II QUICK LOOK AT THE CHAPTER AHEAD Crohn’s disease, a disease that is characterized by periods of exacerbations and remissions, can involve any segment of the…

Inflammatory Bowel Disease: Part I QUICK LOOK AT THE CHAPTER AHEAD Inflammatory bowel disease (IBD) includes two disorders: ulcerative colitis (idiopathic proctocolitis) and Crohn’s disease (regional enteritis). Both conditions are…

Irritable Bowel Syndrome QUICK LOOK AT THE CHAPTER AHEAD Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal (GI) disorder characterized by periods of exacerbation often associated with stress. It…

Peptic Ulcer Disease QUICK LOOK AT THE CHAPTER AHEAD Despite a decreasing incidence since the 1950s, peptic ulcer disease (PUD) remains a serious health concern. In developing countries it is…

Gastritis QUICK LOOK AT THE CHAPTER AHEAD Gastritis is a documented inflammation of the gastric mucosa. It has many causes, can occur as either an acute or chronic problem, or…

Anatomy and Physiology of the Gastrointestinal System QUICK LOOK AT THE CHAPTER AHEAD The gastrointestinal (GI) tract includes the mouth, pharynx, esophagus, stomach, and small and large intestines. These structures,…