<prompt> A patient comes with dysphagia and regurgitation. Manometry shows ineffective contractions in the Lower esophagus. Which of the following will not cause this conditionDegenerative neuronsChagas diseaseHerpes zosterGERD  <response>: Condition is achalasia. There are two theories for achalasiaDegenerative neuronsInfection of the neurons caused by herpes zoster and chagas disease 