3-Intestinal Obstruction Flashcards
Why cant the intralumenal tumor cant pass to the extralumenal area?
Bcz the colon still has living cells, unless it is ischemic and the cells die
Strangulated obstructions
Disruption of the blood circulation
Closed loop obstruction
Volvulus
simple obstruction
Presence of obstacle in the transmission of the contents of the intestine *without a problem in blood circulation
Which one is not an extraluminal mechanical obstruction ?
What are examples of extraluminal mechanical obstruction?
Adhesion
Hernia
Neoplastic tm
Small bowel and colon volvulus
Superior mesenteric artery syndrome
Hernia?
Defect in the fascia allow for the intestines to pass
What is superior mesenteric artery syndrome
Duodenum gets squeezed by two arteries
How does tubular organs heal?
With contractions
What are the transmural(between wall) mechanical obstruction examples
[CO.S.T.I.]
congenital(stenosis, Meckel’s diverticulum)
traumatic
inflammatory
strictures(restriction)
What are the intraluminal mechanical obstruction examples?
Meconium ileus
Invagination
Gallstone ileus (rare)
Feces
Bezoar
Flocculated parasites
What is the most imp physical exam for mechanical obstruction?
Mainly Ask about if they fart not if they poop(it may be diarrhea):p
during Early period ‘stage’ bowel obstruction, what do you hear on auscultation
Metalic sounds
Late period bowel sounds
No sounds
***Which is the electrolyte that is most lost during vomiting?
HCl
And later loss of potassium bcz the kidney holds on the H+ and secretes away potassium; hypochloremia+ hypokalemia+ metabolic alkalosis