
Adult Health 3 Exam 2 Review โ Ch 49, 50, 54
Ch 49 Assessment & Mgmt. of Pts w/ Hepatic Disorders
1) Liver
a. Largest gland of the body located in RUQ
b. Liver affects all other body systems
c. Highly vascularized gland
2) Technique for assessing liver
a. Percussing produces dull sound.
3) Functions of liver
a. Metabolizes:
i. Drugs, glucose, fats, proteins
b. Drug metabolism
i. Hepatotoxic meds
ii. Acetaminophen Tylenol (foundation of other meds)
iii. 4g/daily max
c. Glucose Metabolism
i. Converts glucose to glycogen
ii. Affects DM
d. Protein metabolism
i. Fatty acids broken down for energy
e. Vitamin & iron storage
i. Vitamin deficiency (thiamin)
ii. Anemic
iii. Vit A, B, D, B complex
f. Converts ammonia
i. Slight LOC is an early warning sign of affected ammonia conversion
ii. ETOH abuse
1. Dehydrated, malnourished, vitamin deficiency (thiamin), anemic
iii. Non-acholic fatty liver disease (NAFLD)
g. Bile production & bilirubin excretion
4) Lactulose
a. Binds to ammonia and allows pt. to defecate extra ammonia out.
b. Produces instant effect.
5) Liver function labs:
a. PT/PTT/INR
i. Lab tests specific for clotting factor
b. AST (Aspartate Aminotransferase)
i. Most specific for liver tissue
ii. Prognosis of alcoholism, cirrhosis, liver cancer if AST is elevated
c. ALT (Alanine Aminotransferase)
i. Increases w/ liver disease
ii. Used to monitor progression of cirrhosis, liver cancer, hepatitis, & drug toxicity
d. ALP (Alkaline Phosphatase)
i. If elevated prognosis of biliary obstruction
e. GGT (Gamma Glutamyl Transferase)
i. If elevated prognosis of cholestasis & alcoholism
ii. Drawn for chronic ETOH disease
f. AFP (A-fetoprotein)
i. Protein synthesized in fetal livers
ii. Dx. of liver cancer if elevation of 50-75%.
6) Non-alcoholic fatty liver disease (NAFLD)
a. #1 chronic liver disease
b. Lipids accumulate in hepatocytes
c. Often seen in pt.โs w/ obesity