Achalasia
Preliminary Diagnosis: Achalasia I. What imaging technique is first-line for this diagnosis? Single-contrast barium esophagram II. Describe the advantages and disadvantages of this technique for diagnosis of achalasia. Advantages Can accurately depict characteristic appearance of achalasia Inexpensive No signficant complications typify this outpatient procedure Can suggest diagnosis of pseudoachalasia Disadvantages Exposure to ionizing radiation Does…