LECTURES: Acute Abdomen Flashcards
Define “acute abdomen”.
“Undiagnosed pain that develops suddenly and is less than 7 days duration”
projection of pain usually onto a specific dermatome or myotome of the corresponding segment of the spinal cord, corresponds to embryonic anatomic origin
Referred pain
Pain from the stomach to the second portion of the duodenum, pancreas, gallbladder, and liver is transmitted via the _________ plexus and may be experienced as pain in the ___________________________ by the patient
via the celiac plexus, experienced in the EPIGASTRUM
Pain from the third part of the duodenum to the first two thirds of the transverse colon is transmitted via ______________________ and is experienced where for the patient?
Celiac plexus, experienced in the periumbilical region
Pain from the last thrid of the transverse colon to rectum is transmitted via the _______ and is experienced in the ___________ region
epigastric plexus, and is experienced in the suprapubic region
A patient comes in with periumbilical pain and a fever but they exhibit no signs of rebound tenderness/somatic tenderness. Why can you not rule out appendicitis?
A pelvic or retrocecal inflammed appendix may not generate somatic or rebound tenderness.
A patient comes in with a positive murphy’s and right shoulder pain with no hx of trauma, injury, or hx of arthiritis in the joint. Why might the pt have shoulder pain?
Referred pain from cholecystitis
Which type of pain tends to be more diffuse?
Visceral pain
Differential by location: RUQ
biliary colic, acute cholecystitis, acute cholangitis, sphincter of oddi dysfunction, acute hepatitis, liver abscess, budd-chiari, portal vein thrombosis, fitz-hugh-curtis
Differential by location: LUQ
splenomegaly, spenic abscess, splenic infarct, splenic rupture
Differential by location: Epigastric
MI, peptic ulcer disease, acute/chronic pancreatitis, GERD, gastritis, biliary colic, acute cholecystitis.
Differential by location: LLQ/RLQ
appendicitis, diverticulitis, nephrolithiasis, pyelonephritis, acute urinary rentention, cystitis, infectios colitis, gyenocologic
Pain association: burning pain
associated w/ perforated gastric ulcer or acute pancreatitis as well as acute perotinitis
Pain association: sharp, constricting pain
biliary colic
Pain association: tearing pain
dissecting aneurysm
pain association: gripping pain
intestinal obstruction
pain association: constant, dull, fixed pain
abscess
Ab pain associated w/driving over bumps
peritonitis
Where is the obstruction: bilious vomiting
nonspecific or early obstruction
Where is the obstruction: food particles vomiting
proximal obstruction
Where is the obstruction: feculent vommiting
prolonged distal small bowel obstruction, rare in colonic obstruction