12: abdominal exploratory, small animal surgery Flashcards Preview

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Flashcards in 12: abdominal exploratory, small animal surgery Deck (20):
1

advantages of laparotomy

full thickness intestinal biopsies
Oran biopsy/excision
can address hemostasis
direct visualization

2

Disadvantages of laparotomy

Increased morbidity
pain
anesthetic risk
cost
dehiscence
infection

3

Diagnostic indications for abdominal exploratory surgery

Protein losing enteropahty
hepatopathy
suspected neoplasia

4

Why are abdominal exploratory surgeries performed

diagnostic/ therapeutic purposes

5

Layers of abdominal wall

Peritoneum
Transversis abdominus muscles
internal and external abdominal oblique muscles
rectus abdominus muslces

6

Major arterial blood supply to the abdomen

descending aorta

7

5 branches of descending aorta

celiac artery
right and left renal arteries
cranial and caudal mesenteric arteries

8

What is the blood supply for the spleen, pancreas, liver, stomach, and descending suodenum

Celiac artery

9

What supplies the small intestines and ascending nd transverse colon

cranial mesenteric artery

10

What supplies the descending colon

caudal mesenteric artery

11

What is the major conduit for venous return to the heart from the abdomen

Caudal vena cava

12

What is responsible for venous drainage of the GI

portal venous system

13

Patient prep steps

History
exams
Hematology, biochem, UA, imaging
ASA score
Stabilization
Shave
skin prep
perioperative antibiotics

14

What's in cranial quadrant

diaphragm
liver, gall bladder
stomach pancreas

15

Mid-abdomen

spleen
intestine

16

Caudal quadrant

colon
bladder
prostate/uterus

17

Abdominal gutters

kidneys
ureters
adrenal
ovaries

18

How much fluid in peritoneal lavage

50ml/kg

19

What do you need to retract to evaluate deep and lateral structures

mesoduodenum
descending colon

20

What must be included in every tissue bite during closure of the linea

external rectus sheath
-holding layer of the abdominal wall