Oral Cavity
- Mouth
- Mechanical Digestion
- Salivary Amylase Begins Carbohydrate Breakdown
- Lingual Lipase Begins Lipid Breakdown
- Esophagus
- Bolus
- Peristalsis
Stomach Digestion
- Chief Cells Secrete Pepsinogen
- Pepsinogen Turned to Pepsin By H+
- Protein Breakdown Begins
- Mucous Cells Secrete Mucus and Bicarbonate
- G Cells Secrete Gastrin
- Gastrin Stimulates Parietal Cell HCl Release
- Parietal Cells Secrete Intrinsic Factor
Small Intestine Absorption
- Carbohydrates Undergo Active Transport
- Amino Acids Undergo Active Transport
- Small Lipids Undergo Passive Diffusion
- Epithelial Cells
- Intestinal Capillaries
- Hepatic Portal Transports Nutrients
- Liver
- Large Lipids Transported as Chylomicrons
- Lacteals Transport Chylomicrons
Small Intestine Digestion
- Brush border enzymes
- Pancreatic Enzymes are secreted via a Duct
- Pancreas secretes bicarbonate
- Brush Border activates Pancreatic Trypsin
- Trypsin activates Chymotrypsin
- Trypsin and Chymotrypsin digest Proteins
- Gallbladder Releases Bile
- Pancreatic Lipase breaks down Lipids
- Goblet cells secrete mucus
- Pancreatic Amylase breaks down Carbohydrates
- Pancreatic Nucleases breakdown DNA/RNA
- Digestion occurs in the Duodenum
Large Intestine
- Colon
- Electrolyte Reabsorption
- Water Reabsorption
- Microflora Produce Vitamins
- Rectum Stores Feces
Pancreatin, Pancrelipase (Pancreatic Enzymes)
- Pancreatic Enzymes
- Cystic Fibrosis
- Pancreatic Insufficiency
- GI Distress
- Inactivated by Gastric Acid
- 24 Hour Fat Excretion
- Take with Every Meal and Snack
Pancreas
- Acinar Cells Release Digestive Enzymes
- Ductal Epithelial Cells Release Bicarbonate
- Islets of Langerhans
- Beta Cells Release Insulin
- Alpha Cells Release Glucagon
- Delta Cells Release Somatostatin
- Somatostatin Inhibits Alpha and Beta Cells
Liver Biopsy Procedure
- Diagnosis of Liver Disease
- Incisional (Open Method)
- Needle Biopsy (Closed Method)
- Coagulation Status
- Type and Crossmatch Blood
- Right-Side Lying
- Post-Biopsy Monitoring
Liver Enzyme Tests: AST and ALT
- AST/ALT Ratio
- AST: 8-20 U/L
- ALT: 8-20 U/L
Gastroesophageal Reflux Disease (GERD) Assessment
- Relaxed Lower Esophageal Sphincter
- Dyspepsia (Indigestion)
- Belching
- Nighttime Coughing
- Dysphagia
- Epigastric Pain
- Regurgitation
- Heartburn (Pyrosis)
- Globus
Acute Gastritis
- Erosive
- Disruption of Mucosal Barrier
- Caused by Stress
- NSAIDs (Non-Steroidal Anti-Inflammatory Drugs)
- Alcohol
- Uremia
- Burns
- Curling's Ulcer
- Brain Injury
- Cushing Ulcer
- Increase H+ Production
Chronic Gastritis
- Type A
- Fundus and Body
- Autoimmune
- Autoantibodies to Parietal Cells
- Pernicious Anemia
- Achlorhydria
- Type B
- Most Common Type
- Helicobacter pylori
- Antrum
- Increased Risk of MALT Lymphoma
- HIV/AIDS
- Crohn's Disease
Peptic Ulcer Disease Assessment
- Helicobacter Pylori
- NSAIDs
- Increased Stomach Acid
- Abdominal Pain
- Heartburn (Pyrosis)
- Melena
- Weight Changes
- GI Distress
- Most Commonly in Duodenum
- Duodenal: Pain Relieved by Eating
- Gastric: Pain Caused by Eating
Peptic Ulcer Disease Interventions
- Combination Drug Therapy
- Two Antibiotics
- Proton Pump Inhibitor (PPI)
- Decrease Acid Secretion
- Avoid NSAIDs
- Diet and Lifestyle Changes
Cobalamin (Vitamin B12)
- Vitamin B12
- Vitamin Deficiency
- Pernicious Anemia
- Hypokalemia
- Arthralgia
- Dizziness
- IM Injection for Pernicious Anemia
- Never Give IV
Types of Hernias
- Hiatal
- Gastroesophageal Reflux Disease (GERD)
- Inguinal
- Men
- Femoral
- Women
- Incisional
- Umbilical
- Strangulation
Hernia Interventions
- Reduce Intra Abdominal Pressure
- Avoid Straining and Lifting
- Open Mouth Sneezing
- Excision
- Herniorrhaphy
- Hernioplasty
- Scrotal Support
Cholecystitis Interventions
- Supportive Therapy
- Antibiotics
- Low Fat Diet
- NG Tube
- Analgesics
- Lithotripsy
- Cholecystectomy
- T Tube
Cirrhosis Assessment
- Degeneration and Destruction of Liver Cells
- Jaundice
- Fatigue
- Palmar Erythema
- Spider Angiomas
- Hepatosplenomegaly
- Edema
- Gynecomastia
- Change in LOC
Cirrhosis Interventions
- Maintain Nutrition
- Paracentesis
- Drug Therapy
- Endoscopic Band Ligation or Sclerotherapy
- Balloon Tamponade
- Transjugular Intrahepatic Portosystemic Shunt (TIPS)
- Lactulose
- Antibiotics
Complications of Cirrhosis
- Portal Hypertension
- Ascites
- Esophageal Varices
- Coagulation Defects
- Portal-Systemic Encephalopathy
- Hepatorenal Syndrome
Hepatitis A (HAV) Assessment
- Fecal-Oral
- Ingestion of Contaminated Food or Water
- 4 Weeks
- Fever
- General Malaise
- Hepatomegaly
- Self-Limiting
- Proper Hand Washing
Hepatitis B (HBV) Assessment
- Bodily Fluids
- Blood Transmission
- People Who Use IV Drugs
- Variable 1-6 Months
- Fever
- Nausea and Vomiting
- Hepatomegaly
- Cirrhosis
- Hepatocellular Carcinoma
- Vaccination
Hepatitis C (HCV) Assessment
- Blood Transmission
- High Risk Sex (rare)
- IV Drug Users
- 7 Weeks
- Cirrhosis
- Barrier Protection
Irritable Bowel Syndrome (IBS) Assessment
- Abdominal Pain
- Relieved by Defecation
- Alternating Diarrhea and Constipation
- Fatigue
- Excessive Flatulence
- Sensation of Incomplete Evacuation
- Stressors
- Food Intolerances
- More Common in Women
- Rule Out Other Disorders
Irritable Bowel Syndrome (IBS) Interventions
- Identify Triggers
- Increase Fiber Intake
- Probiotics
- Anticholinergics
- Tricyclic Antidepressants (TCAs)
- Loperamide
- Linaclotide
- Tegaserod (Zelnorm)
- Lubiprostone (Amitiza)
- Alosetron (Lotronex)
Ulcerative Colitis Assessment
- Cramping Abdominal Pain
- Tenesmus
- Bloody Diarrhea
- Up to 10-20 / Day
- Fever
- Hemorrhage
Crohn's Disease Assessment
- Diarrhea
- 5-6 per day
- Cramping Abdominal Pain
- Fever
- Weight Loss
- Malabsorption
- Anemia
- Obstruction
- Fistulas
Colostomy Care
- Wash with Warm Water
- Cut 1/8 inch Around Stoma
- Decreases Skin Irritation
- Empty When 1/3 to 1/2 Full
- Change 3-7 Days
- Avoid Odor Causing Foods
- Irrigate at Same Time
Appendicitis Assessment
- Obstruction of Appendix
- Periumbilical Pain
- RLQ Pain
- Nausea/Vomiting/Anorexia
- Increased White Blood Cells
- Rebound Tenderness
- Fever
- Peritonitis
- Sepsis
Appendicitis Interventions
- Appendectomy
- Antibiotics
- IV Fluids
- No Enema or Laxative
- Semi-Fowler's Position
- Nasogastric Tube
- Diet as Tolerated
- Pain Management
- Early Ambulation
Diverticulosis and Diverticulitis Assessment
- Outpouching
- Inflamed Diverticula
- Abdominal Pain
- Abdominal Distention
- Flatulence
- Fever
- Rectal Bleeding
- Alternating Constipation and Diarrhea
- Peritonitis
Diverticulosis and Diverticulitis Interventions
- High Fiber Diet
- Reduce Intra-abdominal Pressure
- Stool Softeners
- Exercise
- Anticholinergics
- Antibiotics
- Bowel Resection