Appendicitis Flashcards
What is the most common abdominal surgical emergency
Appendicitis
General considerations
-Common between the ages of ___ to 35
-Most common between __-35
-Both sexes are affected ____
-10
-20
-equally
What organ?
(a) Is found at the base of the cecum
(b) Its function is not clearly understood; thought to be involved in gestation/early life
with the development of gut flora.
Appendix
What is located one third of the distance from the right anterior superior iliac spine to the umbilicus (navel).
McBurney’s Point
________ typically manifests due to some sort of blockage of the lumen of the appendix.
Appendicitis
The majority of luminal blockages are caused by what?
(a) Fecalith (most common)
(b) Immune response/expansion of lymph tissue
1) Viral infection
2) Vaccinations (i.e. rota-virus)
a) Typically only seen in young children
True/FAlse
All women with progressively worsening abdominal pain should be evaluated with a beta-HCG and a pelvic exam regardless of reported sexual/medical history!
True
Imaging/Radiology:
Gold standard for diagnosis of appendicitis is what?
CT scan of the abdomen
Labs for suspected appendicitis
(a) CBC: Will likely show an increased White Blood Cell Count (WBC)
(b) Fecal Occult Blood Test
(c) UA: May have mild pyuria or hematuria on micro
Antibiotic Selection:
Needs to cover gram negative and anaerobic bacteria.
Examples include
1) Ampicillin-sulfabactam (Unasyn) 3g IV every 6 hours.
2) Ertapenem (Invanz) 1g as a single dose.
______ of individuals successfully treated for appendicitis with only antibiotics will have a subsequent episode of appendicitis requiring surgery within 3 months and over ____% will have a repeat episode of appendicitis and surgery within 12 months
29%
50%