GI Flashcards
Backflow of gastric contents into esophagus through LES
Inflammation caused by reflux of highly acidic material (esophagitis)
GERD
Any condition or agent that alters closure strength of LES or increases abdominal pressure, fatty foods, caffeine, large amounts of alcohol, cigarette smoking, pregnancy, anatomic features (ex: hiatal hernia)
GERD
Clinical manifestations
Heartburn, regurgitation, chest pain, dysphagia
GERD
Increasing LES pressure
Enhancing esophageal clearance
Improving gastric emptying
Treatment for _________
GERD
Suppressing gastric acidity
Avoiding tobacco and aggravating food and drink
Treatment for _______
GERD
Over-the-counter antacids and histamine (H2)-blocking medications used for treatment of ______
occasional GERD
Proton pump inhibitors (PPIs) are the mainstays for ______
chronic GERD
Upper GI endoscopy for ongoing symptoms
Endoscopic dilatation for strictures
Treatment for _____
GERD
Surgical intervention (thoracoscopic Nissan fundoplication) for ________
intractable GERD
Columnar tissue replaces normal squamous epithelium of the distal esophagus.
Carries a significant risk for esophageal cancer
Barrett esophagus/type of GERD
Progression can lead to ulceration, fibrotic scarring.
Esophageal strictures
GERD
Pulmonary symptoms—cough, asthma, and laryngitis—from reflux in breathing passages
GERD
Complication of portal hypertension resulting from alcoholic or viral hepatitis
Esophageal Varices
In developing countries, Schistosoma species of liver flukes major cause
Affects more than half of cirrhotic patients
High mortality rate
Esophageal Varices
Inflammation of the stomach lining
Gastritis
Precipitated by ingestion of irritating substances
Example: alcohol and aspirin, NSAIDs, viral, bacteria, autoimmune
______ Gastritis
Acute
Clinical manifestations
May be asymptomatic; anorexia, n/v, postprandial discomfort, hematemesis
Gastritis
Treatment
Remove offending agent
Gastritis
Helicobacter pylori is nearly always a factor
Transmission: person to person, fecal-oral route, reservoir in water sources
in _______
chronic gastritis
Complications Peptic ulcer disease Atrophic gastritis Gastric adenocarcinoma Mucosa-associated lymphoid tissue lymphoma Decreased acid and intrinsic factor
chronic gastritis
Inflammation of stomach and small intestine (usually self-limiting)
Gastroenteritis
_______ gastroenteritis: usually result of another GI disorder
chronic
______ gastroenteritis: direct infection by pathogenic bacteria or bacterial toxin
May be caused by imbalance in normal bacterial flora by introduction of unusual bacteria (travel)
acute
Disorders of upper GI tract caused by action of acid and pepsin
Injury to the mucosa of the esophagus, stomach, or duodenum
Range from a slight mucosal injury to severe ulceration
Peptic Ulcer Disease
Increase in factors that tend to injure the mucosa relative to factors that tend to protect it
Peptic Ulcer Disease (PUD)
NSAIDs, stress (glucocorticoids), smoking, genetics
causes of ______
PUD
No connection between ______ and PUD
diet
Key role in promoting both gastric and duodenal ulcer formation
H Pylori
Thrives in acidic conditions
Slow rate of ulcer healing
High rate of recurrence
H Pylori
H Pylori a cause of ______
PUD