H. Pylori and Gastric Disease Flashcards
what is Dyspepsia
One or more of;
Post-prandial fullness
Early Satiety
Epigastric or Retrosternal pain or burning
when to refer for Endoscopy
A - Anorexia L - Loss of weight A - Anaemia R - Recent onset >55 or persistent despite treatment M - Melaena/Haematemesis or Mass S - Swallowing problems (dyphagia)
Helicobacter Pylori, Gram -ve or +ve
Gram NEGATIVE
How common is H. pylori
infects 50% of the world population
Clinical Outcomes of H.pylori infetions
Asymptomatic or Chronic Gastritis (80%)
Chronic Atrophic Gastritis Intestinal Metaplasia (15-20%)
Gastric or Duodenal Ulcer (15-20%) Gastric Cancer (<1%)
What can H. pylori colonise
Only Gatric Type Mucosa (does not penetrate the epithelial layer)
Non-Invasive diagnosis of H.pylori
Serology (IgG against H. pylori)
13C/14C Urea Breath Test
Stool antigen test - ELISA
Invasive diagnosis of H. pylori (endoscopic)
Histology (gastric biopsies stained for HP
Culture of gastric biopsies
Rapied slide urease test (CLO)
what is Gastritis
Inflamation of the Gastric Mucosa
Causes of Gastritis
ABC
Autoimmune (parietal cells)
Bacterial
Chemical
Tow risk Factors for petic ulcers
NSAIDs
Smoking
How do you diagnose Gastric Outlet Obstruction (GOO)
UGIE (pronlonged fast)
Symptoms of GOO
Early satiety
Abdominal Distension
Weight Loss
Gastric Splash
Signs of GOO
Vomiting - which lack sbile and contains fermented foodstuffs