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Hyperthyroidism

Anup Sabharwal, MD, MBA, FACE Reviewed 06/2020
 


BASICS

  • Hyperthyroidism or thyrotoxicosis is composed of a spectrum of clinical findings consistent with thyroid hormone excess. The former describes excess from the thyroid gland, whereas the latter c...

DIAGNOSIS

HISTORY

  • Thyrotoxicosis is a hypermetabolic state in which energy production exceeds needs, causing increased heat production, diaphoresis, and even fever.

  • Thyrotoxicosis affects several differ...

TREATMENT

  • Decision of which patients to treat and how to treat should be individualized.

  • Observation may be appropriate for patients with mild hyperthyroidism (TSH >0.1 or with no symptoms) especial...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Repeat thyroid tests q3mo, CBC, and liver function tests (LFTs) on thioamide therapy; continue therapy with thioamides for 12 to 18 months.

  • After...

REFERENCES

1
Ross DS, Burch HB, Cooper DS, et al. 2016 American Thyroid Association guidelines for diagnosis and management of hyperthyroidism and other causes of thyrotoxicosis. Thyroid.  2016;26...

CODES

ICD10

  • E05.90 Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

  • E05.20 Thyrotoxicosis w toxic multinod goiter w/o thyrotoxic crisis

  • E06.1 Subacute thyroiditis

  • E06.3 Autoimmune thyroiditi...

CLINICAL PEARLS

  • Not all thyrotoxicoses are secondary to hyperthyroidism.

  • GD presents with hyperthyroidism, ophthalmopathy, and goiter.

  • Medical treatment for GD has a high relapse rate after stopping med...

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