Visceral 2: Upper GI Flashcards
VSR upper esophagus
T5-6 on Right
VSR lower esophagus
T5-9 on Left
VSR stomach
T5-9 on Left
VSR small intestine
Bilat. T8-9
Where does true visceral pain come from?
Pancinian corpuscles and free nerve endings
What activates true visceral pain?
Spasm or stretch
What carries true visceral pain and what is the quality?
Visceral afferents Quality: Midline pain which is poorly localized, diffuse, burning, dull, aching
Where are the VS pain receptors located in the abdomen?
Ant/Lat parietal peritoneum, lesser omentum, mesentery, mesocolon, facilitated cord segments related to viscera sympathetic innervation
What is the percutaneous reflex of Morley?
Visceral peritoneum (Greater momentum + spleen) bears NO pain receptors, so awareness of pain is only sensed if adjacent structures become affected
Where is VS dysfunction usually seen?
Small rotatores with a preference for E Type II mechanics
Why is HVLA often ineffective with VS dysfuntions?
Often met with rubbery resistance
Activation of one sympathetic fiber produces how many post-ganglionic fiber activations?
4-40
CN X exits what structure in the skull?
Jugular foramen
Left vagus supplies what?
Greater curvature of stomach and duodenum
Right vagus supplies what?
Lesser curvature of stomach, sm intestines, right colon, and organs and glands up to the mid-transverse colon
