bowel obs Flashcards
1
Q
3 main wuastions to ask in obs,
A
- large or small
- mech or funct.
- intraluminal, intramural, extraluminal
2
Q
Sx for mech obs (small and large)
A
- crampy abdo pain
- periumbilical
- nausea/vomiting
- obstipatin
- distention
3
Q
sx of large functional
A
- distension
- obstipations
- NOT nausea vomit
- little pain
4
Q
sx of small fucntional
A
- N/V
- obstipation
- distension
5
Q
3 part os Phx
A
- ABC
- vitals
- Abdo exam
6
Q
5 parts to abdo exam
A
- inspect
- ascultate
- percussion
- palpation
- DRE
7
Q
DDx for obs. Sx
A
GI: pancreatitis, appendidicits, divertiulitits
GYN: ovarian torsion
8
Q
extra investigations
A
Labs
- CBC, lytes, BUN, Cr, lipase
Imaging
- 3VA
9
Q
3 things seen on 3VA
A
- dilated small or large bowel
- air fluid levels
- bowel filled with fluid
10
Q
how to diff. small from large bowel on xray (3)
A
- size
- postion: frame vs. central
- features
- small - plicase circularis
large - haustra
11
Q
what types of CT for small and large
A
small - oral contrast - mech vs. function
large - rectal contrast
12
Q
**3 main causes of mech LBO and treatment
A
- colon CA
- stent or hartmanns - diverticular structure
- hartmanns - volvulus
- sigmoid - scope decompression
- cecal - right hemicolectomy
13
Q
3possible other causes of LBO
A
- gallstone illeus
- radition strictures
- peritoneal carcinomatosis
14
Q
**2 top causes of mech SBO obs and treatment
A
- adhesions
- often resolve in a couple of days
- oterwise surg - hernias
- surgery to relieve the obs
15
Q
3 other possible causes of SBO
A
- benzoar - materials
- intussusseption
- chrons
