Dysphagia laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [2] Feham Tariq, MD [3]

Overview

There are no diagnostic laboratory findings associated with dysphagia.

Laboratory Findings

There are no diagnostic laboratory findings associated with dysphagia per se. However, in certain diseases leading to dysphagia, laboratory evaluation is done to look for the underlying disease.

Such diseases include the following:

• Myasthenia gravis
• Thyrotoxicosis
• Inflammatory myopathies
• Toxic myopathies

Following laboratory tests are done for the diagnosis of these diseases:

• Acetylcholine receptor (AChR) antibodies
• Thyroid function tests
• Muscle enzyme essays