GI disorders Flashcards
(33 cards)
Hirchsprungs disease
congenital lack of ganglion cells in rectum/distal sigmoid `
most common location of bowel obstruction
SI
most common cause of SI bowel obstruction
adhesions
volvulus
twisting of bowel around mesentery
-resembles coffee bean
intussusception
proximal small bowel into distal segment
where is the most common location of intussusception?
ileocecal junction
What type of diarrhea can pancreatic insufficiency lead to?
malabsorptive diarrhea
What does trypsin digest
proteins
what does lipase digest
fat
What kind of diarrhea is caused by lactose intolerance?
osmotic
What does desmoplasia indicate?
invasive colorectal adenocarcinoma
What is Mirizzis syndrome?
when a cystic duct blocks the bile duct
At what day of pancreatitis does lipase increase?
1-2
Describe the pattern of amylase in pancreatitis
peaks at day one and then goes down at day 2
At what percentage of pancreatic necrosis is infection likely?
50%
pancreatic pseudocyst
liquified areas of necrotic pancreatic tissue
- usually solitary
what GI virus normally affects young children?
rotavirus
What GI virus normally affects older children or adults?
norovirus
What does Bacillus cereus normally cause?
What is it from and what kind of toxin?
watery diarrhea
fried rice and has preformed toxin
What is Hemolytic Uremia syndrome associated with genetically alongside watery diarrhea?
What is the identifying feature on agar?
EColi 0157:H7
Sorbitol negative
What bacteria is associated with hot dogs
Listeria
What bacteria mimics appendicitis
Yersinia enterocolitica
What bacteria do turtles and lizards carry
salmonella
What zone of the liver is most prone to damage and nutrient loss?
Zone 3
