Hepatic Failure Flashcards
functions of the liver
Produces - clotting factors, proteins, bile
Detox - remove med, bilirubin, drugs, alchol, bacteria
Storage - glycogen, vitamins, minerals
Metabolize - nutrients from food
etiology of acute liver failure X4
viruses, drug use, genetic disease, poison
what viruses cause acute liver failure
Hep A, B, C
what drugs often cause acute liver failure X2
acetaminophen overdose
TB meds
what is the most common cause of acute liver failure
acetaminophen OD
acetaminophen OD antidote X2
acetylcystine, activated charcoal
what genetic disease causes acute liver failure
wilsons disease
what is wilsons disease
excess copper buildup targeting brain and liver
what is the most common poison causing acute liver failure
mushrooms
what is cirrhosis
any chronic liver disease
when does liver failure become chronic
> 6 months
s/s of liver failure/cirrhosis X9
fatigue
hepatomegaly
jaundice
ascites
skin lesions
hematologic disorders
endocrine disturbancies
peripheral neuropathies
first clinical sign of cirrhosis
change in mentation
is jaundice early or late s/s
early
why do liver failure pts have bruises
no clotting factors
endocrine system changes
elevated testosterone
elevated estrogen
elevated aldosterone
hematologic disorders of liver failure X4
thrombocytopenia
leukopenia
anemia
coagulation disorders
when is thrombocytopenia a medical emergency
platelets <20K
normal WBC range
5-10K
what is leukopenia
low white blood cells
how does WBC change from chronic to acute failure
may raise initially then decrease as time goes on
normal hgb for males
12-18
normal hct in males
42-52
normal hct in females
47-57
when do you transfuse males and females
when hgb is <7 in males and <6.2 in females
asterixis
hand tremors/flapping
dyspepsia
indigestion
fector hepaticus
strong, musty breath
caput medusae
giant, pronounced veins on ascites stomach
wound healing vitamins
ADEK
normal ammonia level
10-80
ammonia during liver failure
increases
AST/ALT during liver failure
increased
bilirubin normal
<1