Читать книгу The Esophagus - Группа авторов - Страница 76

Although no specific laboratory tests are required in the evaluation of OPD, many clinicians obtain a thyroid‐stimulating hormone (TSH) measurement to evaluate for hyperthyroidism [64]. Systemic symptoms may direct the clinician to order other laboratory tests for the evaluation of a myopathy, connective tissue disease, drug toxicity or poisoning, etc.