The Digestive System By: Angel, Brendan, Tyler, Gabby.
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Transcript of The Digestive System By: Angel, Brendan, Tyler, Gabby.
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The Digestive SystemBy: Angel, Brendan, Tyler, Gabby
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How is the Digestive System connected to everything?Body needs energy. Digestive system produces energy.
Digestive system needs blood. Heart pumps blood.
Heart needs energy to pump blood. Digestive system needs blood to make energy.
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How does the structure of the Digestive system relate to its function?
Path of food:
1.Mouth
2.Esophagus
3.Stomach
4.Small Intestine
5.Large Intestine
Small Intestine Parts1. Duodenum2. Jejunum3. Ileum
Large Intestine Parts1.Cecum2.Colon3.Rectum
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Structure of Organs That HelpMouth- Bootleg pool
Esophagus- Vertical tube
Stomach- big bag
Small Intestine- Villi increase surface area
Large Intestine- Removes liquid
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How does the Digestive System help maintain Homeostasis?
pH Balance
Helpful Bacteria
Gets Nutrients/Minerals
Removes Waste that may or may not become toxic to the body
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The Process to Process FoodBegins in the mouth.
Pushed through the esophagus.
Sits in Stomach.
Breaks down more in small intestine.
Ends in the large intestine.
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Peptic Ulcers
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Peptic UlcerPeptic ulcers are a break in the inner lining of
the esophagus, stomach, or duodenum.
Stomach- Gastric Ulcer
Duodenum- duodenal ulcer
Esophagus- esophageal ulcer
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Occurance lining of the esophagus, stomach, or
duodenum
corroded by the acidic digestive juices
Juices are secreted by the cells of the stomach
Differs from an erosion
extends deeper into the lining of the esophagus, stomach, or duodenum and excites more of an inflammatory reaction from the tissues
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CausesExcess acid was believed to be the major cause of ulcer
disease
Neutralizing and inhibiting the secretion of stomach acid
Infection of the stomach by a bacterum called Helicobacter pyloricus
Chronic use of anti inflammatory medications, including aspirin
Cigarette smoking
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H. pyloriVery common affecting more than a billion
people worldwide
Half of population over 60 infected
10-15% of infections lead to ulcer disease
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SymptomsMinimal digestion
Abdominal discomfort after meals or no discomfort
Upper abdominal burning
Hunger pain
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Why SymptomsRelieved by food or antacids that neutralize
stomach acids
Persistent pain
No pain
Come and go
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DiagnosisA barium upper gastrointestinal Xray
Upper gastrointestinal endoscopy
Barium chalky substance
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Upper Gastrointestinal EndoscopyMore accurate than X-rays
Involves sedation of patient
Insertion of flexible tube
Removing small tissue samples
Biopsies
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TreatmentReduce risk factors
Antacids
H2 blockers
Proton-pump inhibitors
Sucralfate and Misoprostol
Diet
H. Pylori treatment
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ComplicationsSome heal without medications
Bleeding, perforation & obstruction of the stomach
Black tarry stools
Weakness
Orthostatic syncope
Vomiting blood
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Chrons’ DiseaseInflammatory Bowel Disease
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CausesUnknown
Autoimmune disorder
Ongoing inflammation of GI tract
May involve small and large intestine,rectum, or mouth
Causes intestinal wall to become thick
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Risk factorsYour genes
Environmental factors
Body over reacts to normal bacteria in intestines
15-35
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SymptomsCrampy
Fever
Fatigue
Loss of appetite
Pain with passing stool
Weight loss
Diarrhea
• Constipation
• Eye inflammation
• Joint Pain and swelling
• Mouth ulcers
• Rectal Bleeding
• Skin lumps or sores
• Swollen gums
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Signs and TestsPhysical Examination
Barium enema or Upper GI series
Colonoscopy or sigmoidoscopy
Endoscopy
MRI of abdomen
CT scan of abdomen
Enteroscopy
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Altering resultsAlbumin
C-reactive protein
Erythrocyte sedimentation rate
Fecal fat
Hemoglobin
Liver function tests
White blood cell count
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TreatmentDiet and Nutrition
Drinking lots of water
Eating small amounts of food throughout the day
Avoiding high fiber foods
Avoiding fatty foods
Limiting dairy products
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MedicationsFiber Supplements
Acetaminophen
Aminosalicylates
Corticosteroids
Azathioprine
Antibiotics
Biologic therapy
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SurgeryBleeding
Failure to grow
Fistulas
Infections
Narrowing of the intestine
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GallstonesGallstones are hard, pebble-like deposits that form inside the gallbladder. Gallstones may be as small as a grain of sand or as large as a golf ball.
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CausesVaries
2 Main types
Stones made of cholesterol
Stones made of bilirubin
More common in women, people over the age of 40, and may run in the family
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Possibilities of Developing GallstonesBone marrow or solid organ transplant
Diabetes
Failure of the gallbladder to empty bile properly
Liver Cirrhosis
Hemolytic anemia & sickle cell anemia
Rapid weight loss
Receiving nutrition through a vain
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SymptomsPain in the right upper or middle upper
abdomen
Fever
Yellowing of skin and whites of the eyes
Clay-colored stools
Nausea and vomiting
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Treatment: SurgeryLaparoscopic cholecystectomy
Cholecystectomy
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MedicationChendeoxycholic acids
Ursodeooxycholic acid
Rapidly dissolves cholesterol stones
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LithotripsyElectrohydraulic shock wave lithotripsy (ESWL)
of the gallbladder has also been used for certain patients who cannot have surgery. Because gallstones often come back in many patients, this treatment is not used very often anymore.
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Celiac’s DiseaseCeliac disease is a condition that damages the lining of the small intestine and prevents it from absorbing parts of food that are important for staying healthy. The damage is due to a reaction to eating gluten, which is found in wheat, barley, rye, and possibly oats.
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CausesUnknown
Lining of the intestines contains areas called villi
Gluten
Infancy to childhood
Women affected more than men
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More Likely to HaveAutoimmune disorders
Addison’s disease
Down syndrome
Intestinal Cancer
Intestinal Lymphoma
Lactose Intolerance
Thyroid disease
Type 1 diabetes
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GI SymptomsAbdominal pain, bloating, gas, or indigestions
Constipation
Decreased appetite
Diarrhea
Lactose intolerance
Nausea and vomiting
Unexplained weight loss
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Possible SyptomsBruising easily
Depression or anxiety
Fatigue
Growth delay in children
Hair loss
Itchy Skin
Missed menstraul periods
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Possible Symptoms (cont)Mouth Ulcers
Muscle Cramps and Joint Pain
Nosebleeds
Seizures
Tingling or numbness in hands and feet
Unexplained short height
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Childrens Effect Defects in the tooth enamel and changes in
tooth color
Delayed puberty
Diarrhea & constipation
Nausea
Irritable and fussy behavior
Poor weight gain
Slowed growth and shorter than normal height for age
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Signs and TestsAlbumin (may be low)
Alkaline phosphatase
Clotting Factor Abnormalities
Cholesterol (may be low)
Complete blood count
Liver enzymes
Prothrombin time
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TreatmentCant be cured
Symptoms will go away
Stay caucious
Gluten-free diet
Registered dietitian
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Prognosis6 months in children
2-3 years in adults
Long term damage to lining of intestines
May not improve : height or teeth
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Complications Autoimmune disorders
Bone disease
Certain types of intestinal cancer
Low blood count
Low blood sugar
Infertility or repeated miscarriage
Liver disease
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Digestive System
stomach transplant