gastrointestinal system Flashcards
Upper GI tract?
Lower GI tract?
Upper GI tract- mouth, esophagus, and stomach and aids in the ingestion and digestion of food
Lower GI tract- small intestine does digestion and absorption of nutrients
- large intestine absorbs water and electrolytes, storing waste products of digestion until elimination
neurogenic causes of Diarrhea vs Constipation
Diarrhea- diabetic enteropathy and hyperthyroidism
Constipation- irritable bowel syndrome, central nervous system lesion, dementia, spinal cord tumor, atomy
muscular causes of Diarrhea vs Constipation
Diarrhea- electrolyte imbalance and endocrine disorder
Constipation- muscular dystrophy, severe malnutrition, inactivity, obstructed defection, overactive pelvic floor muscles
mechanical causes of Diarrhea vs Consitpation
Diarrhea- Incomplete obstruction, postoperative effect
Constipation- bowel obstruction, pregnancy
What is hiatal hernia?
What type is most common?
In how many people? Men or Women?
Esophageal hiatus of the diaphragm becomes enlarged, allowing the stomach to pass through the diaphragm into the thoracic cavity
Sliding hernia (90-95%)
5 per 1000 people and women>men
What are some symptoms of the Hiatal Hernia?
Contributes to incompetence of the?
Heartburn
- 30-60 minutes after a meal
-lower esophageal sphincter allowing acid into the esophagus
Reflux
- contributes to GERD
Which of the following exercises is contraindicated for an individual with a known hiatal hernia?
Avoiding flat supine positions and any exercises requiring the Valsalva maneuver ( increasing intrabdominal pressure)
What is GERD?
The consequences from the reflux of gastric contents into the esophagus accompanied by a failure of anatomic and physiologic mechanisms to protect the esophagus
In healthy people, 3 factors to remain healthy esophagus…
In people with GERD….
- anatomic barriers between the stomach and the esophagus
- mechanisms to clear the esophagus of stomach acid
- maintaining stomach acidity and acid volume
-have consistently low pressure of the LES
What are the three extra esophageal manifestations?
Asthma, cough, and laryngitis
Cardiac chest pain should _______ is assumed to be related to GERD
distinguished and evaluated before chest pain
What is peptic ulcer disease?
A break in the lining of the stomach or duodenum of 5 mm or more owing to a number of different causes
What are some PUD complications?
Bleeding
Perforation- sudden severe pain in T spine with radiation to right upper quadrant
Penetration- ulcer erodes into adjacent organs
Gastric outlet obstruction
What is Crohn disease?
Most commonly affects where?
A chronic lifelong inflammatory disorder that can affect anu segment of the Intestinal tract
Ileum and colon
What is ulcerative colitis?
Typically found where?
A chronic inflammatory disorder of the mucosa of the colon, typically found in the rectum, which can then advance proximally to affect the entire colon