Gastrointestinal Flashcards
The four hepatic enzymes ALkaline phosphate, GGT, ALT, and AST are specific to what?
Alkaline phosphatase
GGT = biliary flow
AST/ALT= heptocytes
Why don’t late liver failure patients develop ammonia elevations?
Because they often are not eating and you must eat to develop high ammonia levels
A patient is continuously vomiting. What would his ABG show?
Metabolic alkalosis
You lose acid when you vomit
If a patient has chronic diarrhea you would expect an ABG to show what?
Metabolic acidosis
You lose base through diarrhea
If pancreatic enzymes get activated within the pancreas what occurs?
If amylase, lipase, and trypsin are activated within the pancreas then acute pancreatitis can occur or “auto digestion”
What are some causes of acute pancreatitis?
Alcoholism, biliary stones, trauma, shock, infection
What are Cullen and grey turner signs? What do they tell you?
Cullen sign is a bluish discoloration around the umbilical region
Grey turner is a bluish discoloration around the flank
They are a concern for necrotizing pancreatitis
A patient presents with elevated liver enzymes, jaundice, increases amylase and lipase, hypokalemia, hypokalemia, and hypomagnesemia, increased glucose, N/V/D and a distended abdomen. What are you expecting?
Acute pancreatitis
Or
Splenic rupture
Why does hemorrhagic pancreatitis go undiagnosed often?
The drop in H/H is masked by the dehydration from N/V
What is Kehrs sign?
Shoulder pain in left shoulder
Often a sign of splenic rupture
Normal intraabsominal pressure is what?
0-5 = normal >12 = hypertension >25 = fatal