Gastroenterology Flashcards
What are the stages of Alcoholic Liver Disease?
Alcohol related fatty liver - resolves in 2 weeks
Alcoholic hepatitis - Reversible
Cirrohis - ireversabile
What are the CAGE questions?
Cut down?
annoyed when people mention your drinking?
Guilt?
Early morning
What is the alcohol assesment score questionaire?
AUDIT 10 questions
Signs of liver disease?
Jaundice
hepatomegaly
spider naevi
Palmar erythema
gynaecomastia
ascities
caput medusa
What blood results would you find in alcohol misuse?
rasied MCV on FBC
raised ALT and AST
Especially raised gamma-GT
What investgations can you do for Acoholic liver disease?
ultrasound “fibroscan”
Liver biopsy
CT
How do you treat acute alcohol withdrawl?
Diazepam and pabrinex
What is pabrinex?
B vitamins. Thimaine is a B vitamin
What are the four most common causes of liver disease?
Alcoholic liver disease
Non alcholoic fatty liver disease
Hep B
Hep C
What tells you about the synthetic function of the liver?
Poor synthetic function will show in low albumin and a long prothrombin time
What should you check for in patients with cirrohsis?
alpha-fetoprotein for hepatocellular carcinoma
What is alpha-fetoprotien a marker of?
hepatocellular carcinoma
What is the follow up for people with eosphageal varices?
If liver cirhosis then ultrasound every 6 months
for varices endoscopy every 3 years
What score do you do for a liver transplant?
MELD score
What is the 5 year survival with liver cirrohsis?
50%
What is the best diet for someone with liver cirrohsis?
High protein high calorie low salt
eat every 3 hours
What are the treatment options for stable oesopagheal varices?
Banding
propanolol
What is the treatment of bleeding oesphageal varices?
Call anasthetics and general surgery
Terlipressin
correct coagulopathy with fresh frozen plasma and vitamin K
What causes ascities?
increased portal pressure leads to fluid leaking out of the cappliaries in the liver and bowel. Thus reduced flow into the kidneys causes aldosterone release and fluid retention
What is the treatment for ascites?
Low sodium diet
anti-aldosterone diurectic like spironolactone
paracentesis
What is spironolactone?
anti-aldosterone diuretic
What is the big risk in someone with ascities?
Spontaneous Bacterial Peritonitis - Needs treated with ascitic culture and IV ABX
What is hepatorenal syndrome?
nackered liver causes renal hypotension and renal failure- life threatening without liver transplant
What is hepatic encephalopathy?
Amonia poisioning which causes confusion and reduced consciousness
Treat by clearing out gut bio with laxatives and abx
how common is NAFLD
possibly 1/3 of adults
What are the stages of NAFLD?
NAFLD
Non alcoholoic steatoheptatitis NASH
Fibrosis
Cirrhosis
What are the risk factors for NAFLD?
Same as cardiac and diabetes risk
What should you do to investigate new abnormal LFTs?
Hep B and C serology
check autoantibodies (autoimmune hepatitis, primary sclerosis, primary sclerosing cholangitis)
Alpha 1 anti-trypsin leves
ferretin and transferrin for hereditary haemochromatosis
How do you ivestigate for NAFLD?
Do a NAFLD fibrosis score
What are the symptoms of hepatitis?
abdominal pain
fatigue
puritis
muscle and joint aches
nausea and vomiting
jaundice
How is hep B transmitted?
blood or bodily fluids
What is the prognosis of Hep B?
Most recover in 2 months
Is there a vaccine for Hep B or Hep C?
There is a vaccine for hep B only
What is the prognosis for Hep C?
25% - Fight it off
75% - Chronic infection
How do you test for hep C?
Hep C antibody screening test
then
Hep C RNA test for viral load
How do you manage hep C?
confirm diagnosis
Notify Public Health
refer to gastro or infectious diseases
stop smoking and alcohol
How is hep C treated?
direct anti virals tailord to the specific virus - cure in 12 weeks
What are the two demographics for autoimmune hepatitis ?
menopausal woman
teenager with acute hepatitis
what ivestigations could you do for autoimmune hepatitis?
raised ALT and AST and igG
Liver biopsy to confirm
How do you treat autoimmune hepatitis?
Steroids - pernisolone
How is haemochromatosis inherited?
autosomal ressesive
How does haemachromatosis present?
40 year old
Fatigue
Joint pain
Hair loss
bronze colouration
How do you investigate for haemachromatosis?
Check serum ferritin and transferrin
then genetic testing
What are the complications of heamachromatosis?
Liver damage
endocrine disorders
cardiomyopathy?
How do you treat haemachromatosis?
Weeky venesection
What is alpha 1 antirypsin deficiency?
inherited disease which causes lung disease (30yrs) and liver diease (50yrs)
What is the treatment for alpha 1 antitrypsin deficiency?
organ transplant
symptomatic managment
What is primary biliary cirrhosis?
autoimmune attack on small bile ducts in liver
How does primary billiary cirrhosis present?
Jaundice
Pale and greasy stools
fatigue
puritis
xanthoma and xanthelasma
What is raised alkaline phosphate a marker of?
marker of billary obstruciton
What does anti-mitochondrial antibodies cause?
Primary biliary cirrohsis
How is primary bilary cirrohsis diagonesd?
Liver biopsy
How is primary biliary cirrhosis treated?
Ursodeoxycholic acid
it reduces intestinal absoprtion of cholestrol
What is Primary sclerosing cholangitis?
sclerosis of intra and extra hepatic bile ducts leading to liver disease
What liver disease is associated with ulcerative colitis?
Primary sclerosing cholangitis
Who gets primary sclerosing cholangitis?
Male 30 UC
How does primary sclerosing cholangitis present?
Jaundince
URQP
puritis
fatigue
What is a cholestatic picture on lft?
Really high alkaline phosphate compared to the other markers
How is primary sclerosing cholangitis investigated?
MRCP
How do you treat primary scleorisng cholangitis?
Endoscopic retrograde cholangio-pancretography to insert stents
liver transplant
What are the two types of liver cancer?
hepatocellular carcinoma 80%
cholangiocarcinoma 20%
What is the main risk factor for liver cancer?
liver cirrohsis
What are the tumour markers you should check for in liver cancer?
Alpha-fetoprotein for hepatocellular cancer
CA19-9 for cholangiocarcinoma
How is hepatocellular cancer treated?
not a good prognosis
does not respond to chemo or radio
liver transplant if isolated or surgery
How is cholangiocarcinoma treated?
resection
ERCP
basically uncurable
What is focal nodular hyperplasia?
Benign liver tumour, asymptomatic and no malignant potential
What are the red flags for 2 week ref
Dysphagia
Weight loss
nausea and vomiting
When should someone with GORD get an endoscopy?
Red flag symptom or treatment resistant dyspepsia
What lifestyle advice can you give for GORD?
Reduce tea, coffee and alcohol
weightloss
smoking
smaller meals
lay upright
What medical treatments do you use for GORD?
omeprazole and lanzoprazole
What should you caution peope about when prescribing omeprazole?
start high then slowly reduce to maintance
long term risk of oesteoporosis
What can you use instead of PPI for Gord?
Ranitidine
What test should you do for all people with dyspepsia ?
Stool antigen test for h.pylori
What are the testing methods for helicobacter pylori?
Only works if 2 weeks off of PPI
Stool antigen test
Rapid Urease test during endoscopy
How do you treat helicobacter pylori infection?
triple therapy
PPI
amoxicilin
clarithromycin
What is the lifetime risk of adenocarcinoma with barrets oesophagus ?
3-5% lifetime risk
How do you differentiate between gastric and duodenal ulcers?
Eating makes gastric ulcers pain worse and duodenal ulcers pain better
How are peptic ulcers investigated?
oesophageal endoscopy with biopsy
What are the complications of peptic ulcers?
Bleeding
perforation
scarring and strictures
What are the causes of an upper gi blled?
oesophageal varices
peptic ulcers
mallory-weiss tear
cancer
How does upper gi bleed present?
haematemesis
coffee ground vomit (digested blood)
Malena
What bloods should you take in upper gi bleed
FBC
UREA
coagulation
LFT
cross match 2 units of blood
What is group and save and what is cross match?
group and save checks patients blood group and saves a sample for crossmatch later
crossmatch finds blood tests it and keeps it ready in the fridge for use
What should you give for transfusion in upper gi bleed?
Blood
Platelets
fresh frozen plasma
prothrombin in warfarinsed
What can you test for in inflammatory bowel disease?
Feacal calprotectin
How is Crohn’s treated?
induce remission with steroids
then maintain with Azathioprine
How is Ulcerative collitis treated?
mesalazine or steroids
then
mesalazine or azathioprine
What tests should you do to investigate irritable bowel syndrome?
Bloods
Faecal calprotectin for inflammatory bowel
anti ttg antibodies for coeliac
What symptoms are suggestive of irritable bowel syndrome?
abdominal pain which is improved by pooing or is associated with change in bowel habit
plus 2 of:
abnormal stool
mucus
bloating
worse after eating
How do you treat irritable bowel syndrome?
regular small meals
low caffine and alcohol
probiotic for 4 weeks
Loperamide for diarrhoea
buscopan for cramps
laxitives
What are the two auto-antibodies in coeliac disease?
Anti-TTG
Anti-EMA