Gastro/ Nutrition Flashcards
Carcinoid Tumours
What is it?
Sx (6)
Tumour of neuroendocrine cells usually from bowel or lung
Sx
- SOB/ bronchospasm
- Diarrhoea
- Flushing
- Itching
- Pellagra
- Right heart valvular stenosis
Carcinoid Tumours
Ix (3)
Mx (2)
Metastases to _____
Ix
- 24h urinary 5HIAA
- Bloods to test for niacin levels
- Octreotide scan
Mx
1. Somatostatin anologues (octreotide)
2. Diarrhoea: cyproheptadine
Metastases to liver
What is Budd-Chiari syndrome?
Triad features (3)
Ix (1)
Hepatic vein thrombosis Features 1. Sudden onset severe abdominal pain 2. Tense ascites 3. Hepatomegaly
Ix
1. USS with doppler
Budd-Chiari causes (4)
Anything haematological
- Thrombophillia
- Polycythaemia rubra vera
- Pregnancy
- COCP
Gilbert's syndrome AD or AR What is it? Features (1) Ix (1)
AR unconjugated hyperbilirubinaemia
Features
1. Jaundice when has illness/ fasting/ exercise
Ix
1. rise in bilirubin following prolonged fasting or IV nicotinic acid
Haemachromatosis AD or AR What is it? Triad Features (6) (Hint: skin, cardio, endo, bones)
AR, genetic mutation of HFE gene on chrm 6 (HaEmachromatoSIX), leading to the build up excess iron
Triad: cirrhosis, DM, bronze skin pigmentation
Features Reversible Skin 1. Bronze skin pigmentation Heart 2. Cardiomyopathy/ cardiac failure Non reversible Bones 3. Arthralgia Endo 4. Liver disease 5. DM 6. Hypogonadotrophic hypogonadism
Wilson's disease AD or AR What is it? Common in which three organs Features
AR, genetic mutation ATP7B gene on chrm leading to build up of copper
Wilson’s disease
Common in which three organs
Features (8)
Mx (1)
Features prevalent in brain, liver, eyes Eyes 1. Keiser-Fleishcer rings Brain 2. Speech disturbance 3. Behavioural changes Liver 4. Liver cirrhosis 5. Hepatitis Other 6. Acute tubular necrosis (Fanconi) 7. Blue nails 8. Haemolysis Tx 1. Pencilliamine
Pellagra
What is it?
Features triad
Vitamin B3 (niacin) deficiency
Features 3Ds
Diarrhoea, dementia, dermatitis
Inflamed skin areas of sunlight/ friction first
Ix for Wilson’s (3)
- Slit lamp for KF rings
- Reduced caeruloplasmin
- Reduced total serum copper
- 24hr urinary copper excretion
Whipple's disease Caused by (1) M/F? Age Features (4)
- caused by Tropheryma whippelii
More common in middle aged men with HLA B27
Features - Malabsorption - steatorrhea/ diarrhoea
- Large joint arthralgia
- Pericarditis
- Pleurisy
Whipple’s disease
Ix
Mx
Ix
jejunal biopsy shows deposition of macrophages containing Periodic acid-Schiff (PAS) granules
Mx co-trimoxazole
Crohn’s
Features (6)
- Mouth to anus
- All layers so skip lesions
- Episcleritis
- Non bloody diarrhoea
- Weight loss
- AP
Ulcerative Colitis Where does it start? Which layers? Stool Associated with which three conditions?
Where does it start? Which layers? Stool Associated with which three conditions? 1. From ileocaecal valve only 2. Submucosal layer only, crypt abscesses 3. Bloody diarrhoea 4. PSC 5. Uveitis 6. Colorectal CA
Shared features IBD (4)
- Diarrhoea
- Pyoderma gangrenosum
- Erythema nodosum
- Arthritis
Features of UC on barium enema (3)
- Loss of haustrations
- Drain pipe colon
- Pseudopolyps
UC
Triggers for flares (4)
Management of acute flare (2)
- Abx
- Stopping smoking
- NSAIDs
- Stress
Mx - IV steroids
- IV ciclosporin
Flares Classification
Mild <4 stools /day, nil systemic sx
Mod 4-6 stools/day, minimal systemic sx
Severe >6 stools/ day, systemic sx, ESR >30
UC Management Inducing remission (2) Maintaining remission (1) If severe (2)
Inducing
- 5-ASA, topical, then add PO
- Corticosteroids
Maintaining
1. Topical 5-ASA or combined PO + topical
Following severe, or if has had 2 or more exacerbations in one year
1. AZT or mercaptopurine
Crohn's Mx Inducing remission (3) Maintaining remission (2)
Inducing 1. Steroids 2. 5-ASA 3. AZT or mercaptopurine as add ons (assess thiopurine methyltransferase (TPMT) activity before AZT or mercaptopurine)
Maintaining
- AZT or mercaptopurine
- 5-ASA if has had surgery
Vitamin B1 deficiency
What is it?
What can it cause?
Thiamine deficiency
Wernickes
Beriberi
Coeliac disease
What is it?
Associations (3)
Autoimmune, sensitivity to gluten –> constant exposure can lead to villous atrophy which can cause malabsorption
Associations with:
- HLA-DQ2 + DQ8
- Dermatitis herpetiformis
- Autoimmune conditions e.g hepatitis, DM1
Coeliac
Features (7)
- AP
- Failure to thrive
- Anaemia (secondary to malabsorption)
- N&V
- Weight loss
- Fatigue
- Diarrhoea
Coeliac
Investigations (3)
Needs to have gluten in diet for 6 weeks
1st line
1. TTG (tissue transglutaminase) antibodies (IgA)
2nd line
2. Endomyseal antibody (IgA)
3. Duodenal/ jejunal biopsy
Vitamin A aka
Deficiency causes
Retinol
Night blindness
Variceal haemorrhage
Mx
Acute (3)
Chronic (2)
Acute
1. Terlipressin
(+ prophylactic abx in pts with liver cirrhossis)
2. Band ligation
3. Sengstaken-Blakemore tube if uncontrolled haemorrhage
Chronic
- Propranolol
- Band ligation every 2 weeks until resolved, PPI coverage
Spontaneous bacterial peritonitis is seen in patients with what condition?
Triad
Commonly caused by which organism?
Seen in pts with ascites secondary to liver cirrhosis
Triad
- Fever
- Ascites
- AP
Ecoli
Spontaneous bacterial peritonitis
Ix
Mx
Ix
1. Paracentesis >25 neutrophils
Mx
1. IV cefotaxime
Spontaneous bacterial peritonitis
Criteria for prophylactic abx
Choice of prophylactic abx
- SBP
OR - Patients with fluid protein <15 AND
Child Pugh >9 OR hepatorenal syndrome
Prophylactic abx PO ciprofloxacin or norfloxacin
Primary sclerosing cholangitis
Associations (1)
Features (3)
Complications (2)
- UC (also Crohn’s and HIV)
Features
- AP pain (location: RUQ)
- Jaundice
- Itching
Primary sclerosing cholangitis
Ix
What will you seen on bloods?
What automimmune bloods will you see?
- Raised ALP and bili
2. p-ANCA +ve (and anticardiolipin?)
Primary biliary cirrhosis
Associatations (2)
Features (4)
Associations
- Sjogren’s
- RA
Features
- Jaundice
- Hyperpigmentation
- Xanthelasma
- pruritus
Primary biliary cirrhosis
What will you seen on bloods?
What autoimmune bloods will you see?
- Raised ALP and bili
2. anti-mitochondrial antibodies
Primary sclerosing cholangitis
Complications (3)
Primary biliary cirrhosis
Complications (3)
Complications
- Cholangiocarcinoma
- Colorectal cancer
- Cirrhosis
- Hepatocellular carcinoma
- Osteomalacia
- Cirrhosis
PBC
Mx
- Urso
- colestyramine (for pruritus)
- Fat soluble vitamins
- Liver transplant
What is Child Pugh scoring system used for?
Used to assess liver cirrhosis severity
Causes of liver cirrhosis
Vascular
1. Budd Chiari
Liver
- Hepatitis B/C
- NASH
Drugs
- ETOH
- MTX
- Amiodorone
Autoimmune
- PBC
- PSC
Genetic
- Wilson’s
- Haemachromatosis
- Alpha-1 antitrypsin deficiency
Hep B serology HBsAg means anti-HbsAg +ve means anti- HbcAg -ve means anti-HBcAg +ve means
HBsAg means +ve –> current infection, -ve –> not currently infected
anti-HbsAg +ve means –> either immunised or cured
WITH
anti- HbcAg -ve means –> immunised
anti-HBcAg +ve means –> cured
Hepatitis D
DNA or RNA, single or double
How is it spread?
Single stranded RNA
Needs HBsAg to replicate
Bodily fluids
Hepatitis B
How is it spread?
Triad
Complications (2)
It is spread through bodily fluids/ vertical transmission mother to child
Triad fever, jaundice, elevated transaminases
Complications
- HCC
- Chronic hepatitis - ground glass hepatocytes
Vitamin D deficiency
Child
Adults
Child - rickets
Adults - osteomalacia
IBS
Diagnostic criteria
AP related to defecation OR altered form/ frequency of stool AND at least x2 of 1. Bloating 2. Altered stool passage 3. Mucous PR 4. Worse after eating
x4 Ix needed prior to dx of IBS
- FBC
- Coeliac enzyme - transglutaminase antibodies
- CRP
- ESR
Alcohol
Recommended units
How to calculate
14 M and W
Total in mls x ABV / 1000
Name three screening tools for ETOH excess
- CAGE
- FAST
- AUDIT
8M, 7W –> hazardous consumption
15 M, 13W –> dependence
Plummer Vinson syndrome
Triad
- Dysphagia (secondary to oesophageal webs)
- Glossitis
- Iron deficiency anaemia
Achalsia
What is it?
Features (4)
Loss of oesophageal peristalsis secondary to loss of inhibitory cells in the ganglion from Auerbach’s plexus. Leads to contraction and nil relaxation
Features
- Dysphagia to solids and liquids
- Weight loss
- Regurgitation
- Heartburn
Achalsia
Ix (3)
Mx (4)
- Oesophageal manometry - increased LOS tone which does not relax on swallowing
- Barium swallow - beaks appearance
- CXR - wide mediastinum
Mx
- Balloon dilatation
- Heller myotomy
- Botulinim injection
- CCB or nitrates
Pharyngeal pouch What is it? M or F? Age Features (5) Mx (1)
Herniation due to pressure/ weakness of pharnygeal muscle leading to a pouch at UOS. Old men (70yo)
Features
- Dysphagia
- Halitosis
- Neck swelling which gurgles on palpation (Boyce sign)
- Regurgitation of food
- Aspiration
Mx
1. Surgery
Systemic sclerosis
F or M?
Name three types (3)
Hardened sclerotic skin
F>M
Types
- Limited cutaneous SS
- Diffuse cutaneous SS
- Scleroderma
Sulphasalazine SE (3)
- Heinz body anaemia + Megaloblastic anaemia
- Lung fibrosis
- Oligospermia
Mesalazine SE (2)
- Pancreatitis
2. Agranulocytosis
Automimmune hepatitis F or M? Features (3) (Hint: think A's) Mx (2)
More common in females
ANA, amenorrhea, acute hepatitis
Mx:
- Steroids + AZT
- Liver transplant
Barrett’s oesophagus
What is it?
Risk of which ca
RF (4)
Mx (2)
lower oesophageal squamous epithelium being replaced by columnar epithelium
1. Oesophageal ADENOcarcinoma
RF Obestiy Smoking GORD Male
Mx
- Endoscopic surveillance every 3-5 yrs +/- resection
- Ablation
C diff
Gram +ve or -ve
Shape
Causes (2)
Mx (3)
Gram +ve rod
Causes
- Clindamycin
- PPI
Mx 1. Metronidazole If more severe 2. Vanc If not responding 3. Fidaxomicin
Bowel screening explain age group how often test of choice results of test results of colonoscopy
Age 60-74 Every 2 years Faecal immunochemical testing x3 stool samples, x2 samples from each = 6 samples total
0 positive - routine recall
1-4 positive - repeat test
5-6 positive - offered colonoscopy
Colonoscopy
Low risk - routine recall
Intermediate to high - colonoscopy surveillance
Cancer - specialist
Criteria for lower GI ca 2ww
- FOB/ FIB
OR
- FOB/ FIB
- > =40 yo with unexplained weight loss and AP
OR - > =50yo with rectal bleeding
OR - > = 60yo with IDA or change in bowel habit
Non urgent criteria for upper GI cancer referral
Anyone with haematemesis
OR
> = 55yo with:
- Treatment resistant dyspepsia
- Low Hb + upper abdominal pain
- Raised platelets + one other sx
Upper GI cancer and Ix of choice for suspected ca in GP Stomach Liver Gall bladder Pancreas Gall bladder Oesophagus
Stomach - endoscopy Liver - US Gall bladder - US Pancreas - CT Gall bladder - US Oesophagus - endoscopy
Dyspepsia Mx (nil ca) (3)
- Lifestyle advice + review medications AND
- PPI for 1 month OR
- Test and treat for H pylori
(If 2 doesn’t work, trial 3 and vice versa)
Testing for H pylori (3)
Treatment for H pylori (3)
- Carbon-13 urea breath test OR
- Stool antigen test OR
- Laboratory-based serology
No PPI or abx for the 2 weeks prior
Tx - triple therapy
- PPI BD
- Amoxicillin
- Clarithro OR metro
Signet cells are associated with which ca
gastric
H pylori
Gram positive or negative
Associations (4)
Gram negative
Associations
- Peptic ulcer disease
- Gastric cancer
- B cell lymphoma of MALT tissue
- Atrophic gastritis
Ascending cholangitis triad
- Fever
- RUQ pain
- Jaundice
Cholangiocarcinoma features (3)
- Palpable mass (Courvoisier sign)
- Periumbilical nodes (Sister Mary Joseph nodes)
- Supraclavicular adenopathy (Virchow’s)
What is Grey Turners and Cullens signs
Which disease?
Grey Turners - periumbilical discolouration
Cullens - flank discolouration
Pancreatitis
Painless jaundice =
pancreatic ca
Amoebic liver abscess
Features (3)
RUQ tenderness
No jaundice
Malaise
HCC
RF
Anything causing liver cirrhosis
- Hep C - most common cause in Europe
- Hep B worldwide
- Haemachromatosis
- Cirrhosis secondary to ETOH
- PBC
HCC screening investigations of choice (2)
- Screening with ultrasound
2. +/- alpha-fetoprotein
Hepatorenal syndrome what is it?
Classification (2)
Mx (1)
Portal hypertension leads to sphlanchic vasodilation
This leads to reduced circulating volume
This leads to activation of renal vasoconstriction
= Worsening renal function
T1HRS rapidly progressive v.poor prognosis
T2HRS slower, pt lasts a bit longer
Mx terlipressin
Differences between mesenteric ischaemia and ischaemic colitis
Mesenteric ischaemia
- Small bowel
- Emergency
- Sudden onset very severe pain
- Usually secondary to thrombus
- Surgery
Ischaemic colitis
- Transient
- Less severe
- Bloody diarrhoea
- Large bowel
- Thumbprinting seen
- Conservative management
NAFLD/ NASH
Bloods (1)
ALT > AST
Pancreatic ca
Features (3)
Mx (1)
- Painless jaundice
- Atypical back pain
- Weight loss
Mx Whipples procedure (pancreaticoduodenectomy)
Gastric ulcers versus duodenal
Gastric ulcer pain worse after eating
Duodenal relieved by eating
Scoring system for acute GI bleed (2)
- Blatchford score at first assessment
2. Rockall score after endoscopy
Clotting factors and what to expect: DIC Haemophilia A Haemophilia B Liver failure Von Willebrand
DIC - all factors depleted A low factor IX B low factor VIII Liver failure all low excepd FVIII Von Willebrand all normal, factor VIII may be low or normal, VWF low
Pernicious anaemia RF for which GI cancer
Stomach
High risk groups that should be considered for HCC surveillance/ screening (2)
- pts with liver cirrhosis secondary to hepatitis B & C or haemochromatosis
- men with liver cirrhosis secondary to alcohol
Ring and furrows on endoscopy =
RF
Eosinophilic esophagitis
Allergies/ asthma
Gastric ca associations (3)
Negative association
- Pernicious anaemia
- Blood group A
- Diet - salty, spicy
Negative assoc duodenal ulcers
Beaded appearance on ERCP =
PSC
Alpha gliadin antibodies =
anti endomyseal + anti TTG=
Coeliacs
Coeliacs
Pernicious anaemia aka
Signs (2)
Mx (1)
B12 deficiency 1. Beefy red sore tongue 2. Yellow tinge to skin Mx 1. Hydroxycobalamin
Leptospiral infection =
Weil’s disease
Saint's triad: Gall stones N&V Diverticular disease which disease?
= sliding hiatus hernia
Hiatus hernia diagnostic investigation
barium meal