Abdominal Pain Patterns - Logan Class of December 2011

Normal peristalsis of the esophagus allows the sphincter to relax. 3 phases. Incomplete relaxation. Aperistalsis. LES hypertension. CCK Octapeptide Test (Cholecystis kinase) 2 positive effects in normal. Smooth muscle—elevate tone. Inhibitory signals to the muscle to relax—much stronger effect. Reduced lower esophageal pressure. Achalasia ... ................
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