Lesa Shared "GI" - 63 Picmonics
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GI
Oral Cavity
- Characteristics
- Mouth
- Mechanical Digestion
- Salivary Amylase Begins Carbohydrate Breakdown
- Lingual Lipase Begins Lipid Breakdown
- Esophagus
- Bolus
- Peristalsis
1 min
Stomach Digestion
- Characteristics
- 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
2 mins
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
2 mins
Large Intestine
- Characteristics
- Colon
- Electrolyte Reabsorption
- Water Reabsorption
- Microflora Produce Vitamins
- Rectum Stores Feces
1 min
Gastroesophageal Reflux Disease (GERD) Assessment
- Pathophysiology
- Relaxed Lower Esophageal Sphincter
- Signs and Symptoms
- Dyspepsia (Indigestion)
- Belching
- Nighttime Coughing
- Dysphagia
- Epigastric Pain
- Regurgitation
- Heartburn (Pyrosis)
- Globus
2 mins
Barrett's Esophagus
- Histological findings
- Metaplasia in Lower Esophagus
- Columnar Epithelium
- Associated Pathologies
- Gastroesophageal Reflux Disease (GERD)
- Esophagitis
- Esophageal Ulcers
- Increased Risk of Esophageal Adenocarcinoma
1 min
Mallory-Weiss
- Characteristics
- Bleeding From Tears in Mucosa
- Forceful Vomiting
- Alcoholism
- Eating Disorders (Bulimia)
- Painful Hematemesis
- Diagnosis
- Endoscopy
- Management
- Observation
2 mins
Boerhaave Syndrome
- Pathophysiology
- Esophageal Rupture
- Increased Esophageal Pressure while Vomiting
- Lower 1/3 of Esophagus
- Signs and Symptoms
- Chest Pain
- Odynophagia
- Subcutaneous Emphysema
- Management
- Shock
- Surgical Emergency
2 mins
Tracheoesophageal Fistula (TEF)
- Cause
- Esophageal Atresia
- Ends in Blind Pouch
- Assessment
- Coughing
- Choking
- Cyanosis
- Drooling
- Considerations
- NPO
- Surgical Emergency
- Aspiration Pneumonia
2 mins
Esophageal Adenocarcinoma Characteristics and Presentation
- Characteristics
- Most Common Esophageal Cancer in USA
- Lower 1/3 of Esophagus
- Risk Factors
- Gastroesophageal Reflux Disease (GERD)
- Barrett's Esophagus
- Achalasia
- Obesity
- Smoking
- Presentation
- Weight Loss
- Progressive Dysphagia
- Anemia
2 mins
Colorectal Cancer Assessment
- 3rd Most Common Cancer
- Assessment
- Change in Bowel Habits
- Bowel Obstruction
- Rectal Bleeding
- Anemia
- Weight Loss
- Ascites
- Considerations
- Colonoscopy
- FOBT and FIT
2 mins
Irritable Bowel Syndrome (IBS) Assessment
- Abdominal Pain
- Relieved by Defecation
- Alternating Diarrhea and Constipation
- Fatigue
- Excessive Flatulence
- Sensation of Incomplete Evacuation
- Considerations
- Stressors
- Food Intolerances
- More Common in Women
- Rule Out Other Disorders
2 mins
Irritable Bowel Syndrome (IBS) Interventions
- Interventions
- Identify Triggers
- Increase Fiber Intake
- Probiotics
- Anticholinergics
- Tricyclic Antidepressants (TCAs)
- Loperamide
- Linaclotide
- Medications for Women
- Tegaserod (Zelnorm)
- Lubiprostone (Amitiza)
- Alosetron (Lotronex)
2 mins
Types of Hernias
- Hiatal
- Gastroesophageal Reflux Disease (GERD)
- Inguinal
- Men
- Femoral
- Women
- Incisional
- Umbilical
- Consideration
- Strangulation
1 min
Hernia Interventions
- Reduce Intra Abdominal Pressure
- Avoid Straining and Lifting
- Open Mouth Sneezing
- Excision
- Herniorrhaphy
- Hernioplasty
- Consideration
- Scrotal Support
1 min
Types of Intestinal Obstruction
- Mechanical
- Adhesions
- Hernia
- Volvulus
- Intussusception
- Tumor
- Non-Mechanical
- Mesenteric Artery Occlusion
- Spinal Injury
- Paralytic Ileus
2 mins
Intestinal Obstruction
- Partial/Early Obstruction
- Severe Abdominal Pain
- Vomiting
- High Pitched Bowel Sounds
- Abdominal Distention
- Increased Peristalsis
- Total/Neurogenic Obstruction
- Absent Bowel Sounds
- Paralytic Ileus
1 min
Hirschsprung's Disease
- Mechanism
- Congenital Aganglionic Megacolon
- No Peristalsis
- Assessment
- No Meconium Within 24 Hours
- Refusal to Feed
- Abdominal Distention
- No Stool on Rectal Exam
- Forceful Expulsion of Fecal Material After Exam
- Interventions
- Surgical Resection
- Colostomy
2 mins
Celiac Disease
- Cause
- Intestinal Mucosa Damage
- Ingestion Wheat, Barley, Rye
- Assessment
- GI Distress
- Steatorrhea
- Weight Loss
- Dermatitis Herpetiformis
- Interventions
- Gluten-free Diet
- Considerations
- Screening
2 mins
Crohn's Disease Assessment
- Diarrhea
- 5-6 per day
- Cramping Abdominal Pain
- Fever
- Weight Loss
- Malabsorption
- Anemia
- Complications
- Obstruction
- Fistulas
2 mins
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