The presentation of thyrotoxicosis varies. Thyrotoxicosis leads to an apparent increase in sympathetic nervous system symptoms. Younger patients tend to exhibit symptoms of sympathetic activation, such as anxiety, hyperactivity, and tremor, while older patients have more cardiovascular symptoms, including dyspnea and atrial fibrillation with unexplained weight loss. The clinical manifestations of thyrotoxicosis do not always correlate with the extent of the biochemical abnormality.
Patients with Graves disease often have more marked symptoms than patients with thyrotoxicosis from other causes, because thyroid hormone levels usually are the highest with this form of hyperthyroidism. The diagnosis of Graves disease should also be considered if any evidence of thyroid eye disease exists, including periorbital edema, diplopia, or proptosis.
For more on the presentation of hyperthyroidism and thyrotoxicosis, read here.
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Cite this: Romesh Khardori. Fast Five Quiz: How Much Do You Know About Hyperthyroidism? - Medscape - May 08, 2017.
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