Acute Abdomen Flashcards
What are the 2 types of sensory networks that innervate the abdomen?
visceral and parietal
What fibers mediated visceral sensation?
afferent C fibers
What fibers mediate parietal sensation?
C and δ fibers
Describe visceral pain.
dull, diffuse, and protracted
Describe parietal pain.
sharp, localized, and acute
What name does Dr. Bayme use for the parietal sensory nerves?
somatic nervous system
What stimuli elicit visceral pain?
distention, inflammation, or ischemia
What stimuli elicit parietal pain?
irritation of parietal peritoneum by pus, urine, bile, or GI secretions
What structures may cause dull, diffuse, protracted pain in the mid-epigastrium?
stomach, duodenum, hepatobiliary system, and pancreas
What structures may cause dull, diffuse, protracted pain in the mid-abdomen (periumbilical area)?
jejunum, ileum
What structures may cause dull, diffuse, protracted pain in the lower abdomen?
colon, internal repro organs
What condition causes parietal pain in the RUQ that may be referred to the right chest?
acute cholecystitis
What condition causes parietal pain in the LLQ that may be referred to the groin?
ureteric (renal) colic
What condition causes parietal pain in the mid-epigastrium that may be referred to the back?
acute pancreatitis
What condition causes parietal pain in the mid-abdomen that may be referred to the back?
ruptured aortic aneurysm
