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Gastrointestinal
Omeprazole (Prilosec)
"-prazole" Suffix
Indications
Zollinger-Ellison Syndrome
Gastritis
Peptic Ulcer
Gastroesophageal Reflux Disease (GERD)
Mechanism
Proton Pump Inhibitor (PPI)
Inhibit H+/K+/ATPase
Side Effects
Hip Fracture
Pneumonia
2 mins
Cimetidine and Famotidine (H2 Receptor Blockers)
-tidine Suffix
Mechanism
H2 Receptor Blocker
Indications
Suppress Gastric Acid Secretion
Side Effects (All)
Pneumonia
Side Effects - Cimetidine
Anti-androgen Effects
CNS Changes
2 mins
Sucralfate (Carafate)
Mechanism
Creates Protective Barrier
Indications
GI Ulcers
Side Effects
Constipation
Considerations
Require Acidic Environment
Give on Empty Stomach
Oral Suspension Available
May Decrease Absorption of Other Meds
2 mins
Ondansetron
Indications
Postoperative Vomiting
Chemotherapy-induced Nausea and Vomiting
Mechanism
5-HT3 Serotonergic Antagonist
Centrally-acting Antiemetic
Side Effects
Headache
Constipation
QT Prolongation
1 min
Osmotic Laxatives
Mechanism of Action
Increases Osmotic Load
Indications
Hepatic Encephalopathy
Constipation
Drugs
Magnesium Hydroxide
Magnesium Citrate
Polyethylene Glycol
Sorbitol
Lactulose
Side Effects
Diarrhea
Dehydration
Considerations
Misused in Bulimia Nervosa
2 mins
Proton Pump Inhibitors (PPIs)
"-prazole" Suffix
Indications
Zollinger-Ellison Syndrome
Gastritis
Peptic Ulcer
Gastroesophageal Reflux Disease (GERD)
Mechanism
Inhibit H+/K+/ATPase
Side Effects
Hip fracture
Pneumonia
2 mins
Vitamin B1 (Thiamine)
Mechanism
Carbohydrate Metabolism
Indications
Dietary Deficiency
Beriberi
Wernicke-Korsakoff
Considerations
Alcoholics Highest Risk
Give Before Glucose
Give IM or IV
Enriched Whole Grains
Pork
2 mins
Cobalamin (Vitamin B12)
Mechanism
Vitamin B12
Indications
Vitamin Deficiency
Pernicious Anemia
Side Effects
Hypokalemia
Arthralgia
Dizziness
Considerations
IM Injection for Pernicious Anemia
Never Give IV
2 mins
Total Parenteral Nutrition (TPN)
Mechanism
Nutrition Given Outside GI
Side Effects
Hyperglycemia
Hyperlipidemia
Refeeding Syndrome
Nausea and Vomiting
Considerations
Slow IV Infusion
Use Large Central Vein
No Added Meds to TPN Line
2 mins
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
Peptic Ulcer Disease Interventions
Combination Drug Therapy
Two Antibiotics
Proton Pump Inhibitor (PPI)
Decrease Acid Secretion
Avoid NSAIDs
Diet and Lifestyle Changes
1 min
Peptic Ulcer Disease Assessment
Mechanism/Cause
Helicobacter Pylori
NSAIDs
Increased Stomach Acid
Assessment
Abdominal Pain
Heartburn (Pyrosis)
Melena
Weight Changes
GI Distress
Considerations
Most Commonly in Duodenum
Duodenal: Pain Relieved by Eating
Gastric: Pain Caused by Eating
2 mins
Gastroenteritis
Cause/Mechanism
Viruses
Bacteria
Food Intolerances
Assessment
Flu-Like Symptoms
GI Distress
Bloody Stool
Interventions
Oral Rehydration
Considerations
Self-Limiting
Prevention
2 mins
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
1 min
Chronic Gastritis
Type A
Type A
Fundus and Body
Autoimmune
Autoantibodies to Parietal Cells
Pernicious Anemia
Achlorhydria
Type B
Type B
Most Common Type
Helicobacter pylori
Antrum
Increased Risk of MALT Lymphoma
Associations
HIV/AIDS
Crohn's Disease
3 mins
Helicobacter Pylori
Characteristics
Gram-Negative
Bacilli
Curved
Polar Flagellum
Catalase-Positive
Oxidase-Positive
Disease
Gastric and Duodenal Ulcers
Ammonia
Neutral Environment
Gastric Adenocarcinoma
MALT lymphoma
Diagnosis
Serology IgG antibody
Stool Antigen
Urease Positive Breath Test
Biopsy
Treatment
2 ABX and PPI
2 mins
Helicobacter pylori Associations
Gastritis
Peptic Ulcer Disease
Stomach Cancer
50 secs
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
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