bowelobstruction

Question 1

what are the 5 types of mechanical obstruction?

Answer 1

adhesions 
colorectal cancer 
insususeption 
hernia 
volvus

Question 2

what is intususeption?

Answer 2

one segment of intestine “telescopes” inside of another, causing an intestinal obstruction (blockage)

Question 3

where does intussusception commonly occur?

Answer 3

the junction of the small and large intestines

Question 4

what is a Volvulous?

Answer 4

A volvulus is when a loop of intestine twists around itself and the mesentery that supports it, resulting in a bowel obstruction

Question 5

what is the triad of symptoms in gastric volvulous?

Answer 5

• failed NG tube
• vomiting
• pain

Question 6

what are causes pf pseudoobstruction?

Answer 6

myopathy- no peristalsis and food gets stuck

hishsprung disease- congenital issue- nerves missing at the distal end of the colon-> no peristalsis leads to bowel obstruction

Question 7

how can bowel obstruction lead to sepsis?

Answer 7

• bowel becomes distended because food inside is unable to go anywhere
• distention squeezes surrounding blood vessels and reduces blood supply to that area of the bowel
• lack of oxygen leads to necrosis, further loss of peristalsis and an increase in anaerobic bacteria
• anaerobic bacteria is able to enter the circulation

Question 8

what is the treatment for enraptured sigmoid volvulous?

Answer 8

decompression via rigid sigmoidoscopy and flatus tube insertion

Question 9

what procedure would be preformed for obstructing sigmoid cancer/ perforated sigmoid ?

Answer 9

hartmans procedure