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Traditional methods employed in esophageal investigation of patients with chest pain of undetermined origin includes upper endoscopy, esophageal manometry and pH monitoring. These methods many times disclose abnormalities that can only be enrolled as the possible cause of chest pain. Provocative tests can reproduce pain in the laboratory, establishing its esophageal origin.

Papel dos testes provocativos esofagianos na investigação de pacientes com dor torácica de origem indeterminada