Gastroenterology Flashcards
What are the causes of cirrhosis?
Viral - hepatitis Alcohol Metabolic - NASH, Haemochromatosis, alpha 1 antitrypsin Autoimmune - PBC, PSC, AH Medications - isoniazid, methotrexate
What are the signs of alcohol misuse?
Cachexia Tremor Dupuytrens contracture Cerebellar Syndrome Peripheral neuropathy
What are the consequences of portal hypertension?
Ascities
Oesophageal varicies
Splenomegaly
Thrombocytopenia
What are the consequences of liver dysfunction?
Coagulopathy
Encephalopathy
Jaundice
Hypoalbuminaemia
What are the grades of hepatic encephalopathy?
- reversal of sleep wake cycle
- Lethargy/disorientation
- Confusion/somnolence
- Coma
What are the signs of decompensated liver failure?
Spontaneous bacterial peritonitis Oesophageal variceal bleeding Hepatorenal Syndrome Hepatopulmonary Syndrome Ascities Hepatic encephalopathy
What is faecal calprotectin?
Product of neutrophil degranulation.
What are the cut offs for faecal calprotectin?
<50
>250
What are the causes of non cirrhotic portal hypertension?
Prehepatic
- portal/splenic vein thrombosis
Intrahepatic
- presinusoidal - schistosomiasis, PBC, Sarcoidosis, idiopathic, congenital hepatic fibrosis
- sinusoidal - gauchers, viral hepatitis, Q fever, Drugs (amiodarone and methotrexate)
-postsinusoidal - sarcoidosis, radiation injury, MAC, alcoholic liver disease
Posthepatic
- IVC obstruction (Buds Chiari)
- cardiac failure
Asca positivity is likely to indicate which type of IBD?
Crohns
Anca positivity is likely to indicate which type of IBD?
UC
What are the extra intestinal manifestations of IBD which are independent to colitis activity?
Type 2 small joint Arthropathy
Pyoderma gangrenosum
Primary sclerosing cholangitis