How is esophageal dysphagia evaluated and what tests are commonly used?

• A. Focus solely on patient-reported symptoms without objective testing.
• B. Evaluate symptom pattern and reflux; use barium swallow and endoscopy to identify structural lesions; manometry assesses motility; refer to GI for management.
• C. Use only CT imaging of the chest.
• D. Rely exclusively on sensory testing with no imaging or endoscopy.

Answer: (B)

Evaluating esophageal dysphagia relies on combining how the symptoms present with objective tests that distinguish structural problems from motility issues and guide management. Start by characterizing the pattern—whether difficulty is with solids, then liquids, whether it’s progressive, and any associated reflux. A barium swallow provides a broad view of the esophagus and can reveal structural lesions such as rings, strictures, webs, diverticula, or tumors, as well as abnormal bolus transit that hints at motor problems. Endoscopy offers direct visualization of the mucosa, biopsy capability, and potential therapeutic interventions if a lesion or inflammation is found. For a suspected motility disorder, esophageal manometry measures the pressure waves of peristalsis and LES relaxation, helping to diagnose conditions like achalasia, distal esophageal spasm, or ineffective motility. If reflux is a factor, impedance-pH monitoring can quantify reflux episodes and acid exposure, informing treatment decisions. When issues are complex or unclear, referring to GI for specialized management ensures access to appropriate medical, endoscopic, or surgical options. This integrated approach—combining symptom assessment with imaging, endoscopy, and manometry—is the comprehensive way to evaluate esophageal dysphagia, rather than relying on symptoms alone, a single imaging modality like CT, or testing that only assesses sensation without addressing structure or function.