Dr. Wilson Liver Lecture Flashcards
hepatic encephalopathy is an example of a _________ problem
biochemical
________ problems are usually due to hydrostatic pressure
mechanical
what is steotosis?
fat cells that displace normal cells
the occurrence of confusion, altered level of consciousness, and coma as a result of liver failure
hepatic encephalopathy
2 intrahepatic and extrahepatic vasodilators in portal HTN
NO, carbon monoxide
increase in dilation of abdominal vessels
portal HTN gastropathy (PHG)
3 extrahepatic vasodilators
- glucagon
- bile acids
- prostaglandins
2 mechanical treatments of portal HTN
endoscopic therapy
TIPS (shunt within liver)
2 pharmacologic treamtents of portal HTN
beta blockers
somatostatin derivatives
3 things to avoid if you have portal HTN
- salt
- excessive fluids
- aggressive exss
what is a protein that is concentrated in the fluid build up in ascites?
albumin
two steps to hepatorenal syndrome
- arterial under filling
2. renal constriction
type 1 hepatorenal syndrome is an ______________ situation
emergent
how to cure HR syndrome?
liver transplant
bilirubin
breakdown of heme
jaundice is a disorder of __________
metabolism/excretion
what causes the cognitive symptoms in hepatic encephalopathy?
ammonia - liver can’t break down and it crosses the blood-brain barrier
we want to restrict a HE pt’s ______
protein
normal liver size
1.5 kg
won’t take a liver for transplant if it has more than ______ percent fat
30
HVPG
hepatic venous pressure gradient
if HVPG is greater than _____, portal HTN is present
15 mmhg
what happens to the vessels in the liver when there is increased portal pressure?
they constrict
normal pressure in liver
8 mmhg