Gastrointestinal Flashcards
Coeliac gene
HLA-DQ2
Coeliac diagnose
Tissue transglutaminase (TTG) antibody and IgA Endoscopic biopsy
Coeliac biopsy
Crypt hypertrophy
Villous atrophy
Treatment constipation
1) Lifestyle
2) Bulk forming - ispaghula
3) Osmotic - macrogol or lactulose
4) Stimulant - senna
Diagnose GORD
Clinical, endoscopy if red flag or failure treatment
If endoscopy -ve then 24h pH monitoring
Treatment GORD
1) Lifestyle
2) PPI one month
3) Lower dose if response, double if not
4) Surgery
Diagnose H Pylori
Urea breath test - 4w after antibiotic and 2w after PPI
Treatment H Pylori
7 days triple therapy:
- PPI + amoxicillin + (metronidazole or clarithromycin)
Upper GI bleeding scoring systems
Glasgow Blatchford - risk of having
Rochall - risk after endoscopy
Treatment oesophageal varices
1) Terlipressin and broad antibiotics
2) Vessel ligation
Identify IBS
6m:
- Abdominal pain
- Bloating
- Change bowel habit
Treatment IBS
Pain - hyoscine butylbromide
Constipation - laxative but avoid lactulose
Diarrhoea - lopameride
CBT if failure
Identify crohns
No blood
Entire tract
Skip lesions
Full thickness
Identify UC
Blood
Continues inflammation
Superficial mucosa
Crohns histology
Goblet cells
Granuloma
Crohns induce remission
1) Glucocorticoid
2) Consider adding immunosuppresant
Crohns maintain remission
1) Azithrioprine or mercaptopurine
2) Methotrexate
Diagnose crohns fistula
MRI
Treat crohns fistula
Metronodazole
Draining seaton if complex
UC flares classification
Mild - <4 stools
Moderate - 4 to 6 stools or mimimal systemic
Severe - >6 or systemic disturbance
Diagnosis UC
Colonoscopy and biopsy
IC endoscopy findings
Pseudopolyps
Crypt abscesses
UC induce remission in proctatitis
1) Topical aminosalicylate (eg mesalazine)
2) Oral mesolazine
UC induce remission in left sided
1) Topical mesalazine
2) Oral mesolazine or corticosteroid
UC induce remission in extensive disease
1) Topical mesalazine and oral
2) Stop topical and add oral corticosteroid
Induce remission in severe UC
1) IV steroids
2) IV ciclosporin
Maintain remission up to moderate UC
Proctatitis - topical mesalazine or oral
Left sided and extensive - oral mesalazine
Maintain remission in severe or 2 exacerbations a year UC
1) Oral azathioprine or mercaptopurine
Treatment peptic ulcer disease
Pylori -ve - PPI until healed
Pylori +ve - eradicaction
Diagnose peptic ulcer perforation
Clinical, but get CXR
Treatment peptic ulcer active bleeding
IV PPI
Endoscopic intervention, surgery if fails
Artery for peptic ulcer bleeding
Gastroduodenal artery
Identify refeeding syndrome
Low everything - phosphate, K, Mg
Screening malnutrition
MUST
Definition malnutrition
> 10% weight loss in 3-6m
or BMI <18.5
Identify plummer vinson syndrome
Tirad:
- Dysphagia secondary to webs
- Glossitis
- Iron deficiency anemia
Treatment plummer vinson syndrome
Iron and dilation webs
Identify mallory-weiss syndrome
Severe vomiting in alcoholics cause painful laceration
Identify Boerheave syndrome
Severe vomiting causing oesophageal rupture
Identify peptic stricture
Longer history dysphagia not progressive
Symptoms GORD
Identify achalasia
Dyphagia both solids and liquids
Regurgitation food
Treatment achalasia
1) Pneumatic balloon dilation
2) Surgery
Diagnose pharangeal pouch
Barium swallow
Vit A deficiency
Night blindness
Vit B1 deficiency
Wernicke-Karottkoff syndrome
Vit C deficiency
Scurvy - bleeding and poor wound healing
Vit B3 deficiency
Pallagra - dermatitis and dementia
Vit B6 deficiency
Peripheral neuropathy and sideroblastic anaemia
Vit B12 deficiency
Degermation cord
Treatment hep B
1) Pegylated interferon alpha
Hepatitis vaccines
A and B
Hepatitis foecal oral
A and E
Hepatitis needs B
D
Hepatitis greatest risk cancer
Hep C
Hepatitis worse in pregnancy
Hep E
Treatment autoimmune hepatitis
1) Steroids
2) Liver transplant
Identify autoimmune hepatitis
Anti-nuclear antibody
Identify alcoholic liver disease
AST:AKT 2:1
Increased gamma GT
U and E derranged in hepatorenal syndrome