the acute abdomen, peritonitis Flashcards
sudden onset, severe abdominal pain
acute abdomen
when should you hold analgesics until w/ an acute abdomen
until after initial eval
if a patient doesn’t go to the ER w/ an acute abdomen what should happen?
serial exams by the same provider
what is the “policeman” of the abdomen
omentum- likes to clean up the mess and wall off any infection
what drug should you not give someone w/ an acute abdomen because it could make it so they can’t give an accurate history?
promethazine (Phenergan)
what is visceral pain?
generalized
cause by stretching/ ischemia
what mediates visceral pain?
autonomic nerves (sympathetic and parasympathetic)
where are receptors for vsiceral pain located?
mucosa or muscularis on hollow visceral and the visceral peritoneum
location of visceral pain depends on what?
dermatones of the organ involves
what is parietal pain?
more intense, acute
sharp and better localized
what mediates parietal pain?
somatic nerves
what leads to more precisely localized pain?
Direct irritation of the parietal peritoneum by pus, bile, urine, and GI secretions
Visceral pain shifting to parietal pain indicates
extension of the underlying process
where does referred pain usually arise from?
deep structure
why would a patient have pain in the shoulder after a laparoscopic surgery?
air under the diaphragm
if a patient has shoulder pain a week after surgery what should you consider?
abscess
for duration of pain what should you get?
rate on onset and progression of pain (explosive, rapidly progressive, gradual)
with N/V what should you ask about?
what came first, pain or vomiting?
women on oral contraceptives for a long time who look shocky what should you think of?
hepatic adenomas
what do steroids blunt?
inflammation and wound healing
individual on steroids may present how?
have less pain due to lack of inflammation
what should you ask a person with an acute abdomen about?
gallbaldder
appendix
uterus
ovaries
does a hx of appendectomy entirely rule out appendicitis?
no - can have a stump of appendix left
does a hx of cholecystectomy rule out CBD stones?
no - can have common bile duct stones
what family hx is important?
IBD
sickle cell
AAA
colon cancer
for an acute abdomen what should you do for an HEENT exam?
lymph nodes
sclera color- yellow
if a person has post prandial abdominal pain and you hear bruits what should you consider?
clots in the messenteric arteries
what does involuntary guarding and rebound tenderness indicate?
peritoneal inflammation