GI #3 Flashcards
(48 cards)
MCC of Esophageal Varices in adults
Cirrhosis
Diagnostic of choice for esophageal varice
Upper endoscopy
Treatment for esophageal varice
- Stabilize patient: 2 large bore IV lines, IVF
- Endoscopic variceal ligation (initial)
- Octreotide is first-line management
What beta blockers prevent re-bleeds of esophageal varices
Nadolol or Propanolol
Symptoms of Celiac Disease (Sprue)
- Malabsorption (diarrhea, bloating, steatorrhea, growth delays)
- Dermatitis Herpetiformis: rash on extensor surfaces, neck, trunk, and scalp
Screening of choice for Celiac Disease
-Transglutaminase IgA antibodies
Definitive and confirmatory for Celiac Disease
Small Bowel Biopsy (Atrophy of the villi)
Diagnostic of choice for Lactose Intolerance
Hydrogen Breath Test
MCC of Peptic Ulcer Disease
- Helicobacter Pylori
- NSAIDs and Aspirin
Symptoms of a Gastric Ulcer
- Dyspepsia (burning, gnawing, epigastric pain)
- Worse with food
- Weight loss
Symptoms of Duodenal Ulcers
- Dyspepsia
- Symptoms relieved with food
- N/V
Diagnostic test of choice for PUD
-Upper endoscopy with biopsy
True or False: All Gastric Ulcers need repeat upper endoscopy to document healing
True
Diagnostics for H. Pylori Ulcers
- Endoscopy with biopsy: GOLD STANDARD
- Urea Breath Test, Stool Antigen, Serologic Antibodies
management for H. Pylori infection
- Quad Therapy: Bismuth + Tetracycline + Metro + PPI
- Triple Therapy: Clarithromycin + Amoxicillin + PPI
In regards to ulcers and age ranges, explain.
- Duodenal: Younger patients (30-35)
- Gastric: Older patients (55-70)
MOA for PPI
-Block H+/K+ ATPase of parietal cell, reducing acid secretion
When should you suspect a gastrinoma in a patient?
-Severe, recurrent, multiple, or refractory ulcers + diarrhea
What is a gastrinoma?
Gastrin-secreting neuroendocrine tumor in duodenal wall
Diagnostics for Gastrinoma
- Screening: elevated fasting gastrin levels (initial)
- Confirmatory: secretin test ; persistent gastrin elevations
Treatment for Gastrinoma
-MC sites for METS for a Gastrinoma
- Tumor resection
- Lifelong PPI
-Liver and abdominal lymph nodes
What is carcinoid syndrome?
Periodic episodes of diarrhea (Serotonin release), flushing, tachycardia, and bronchoconstriction (histamine release) and hypotension
Risk Factors for gastric carcinoma
- H. Pylori
- Preserved foods
- Obesity
- Non-Hodgkin Lymphoma
Pyloric Stenosis is MC in what population and what other risk factors?
- First 3-12 weeks of life
- Erythromycin use
- Caucasians, males, first-borns