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Thyroid storm

Definition

Thyroid storm is a life-threatening condition that develops in cases of untreated thyrotoxicosis (hyperthyroidism , or overactive thyroid).

Alternative Names

Thyrotoxic storm; Hyperthyroid storm; Accelerated hyperthyroidism

Causes, incidence, and risk factors

Thyroid storm results from untreated hyperthyroidism. It is usually brought on by a stress such as trauma or infection.

Symptoms

Symptoms are severe and may include:

Signs and tests

  • The top number in a blood pressure reading may be high
  • Heart rate is increased

Blood tests are done to evaluate thyroid function.

  • TSH is usually too low to detect.
  • Thyroid hormone levels such as free T4 and total T3 are high.

Treatment

Support Groups

Expectations (prognosis)

Complications

and Congestive heart failure can develop rapidly and lead to death.pulmonary edema

Calling your health care provider

This is an emergency condition. Call 911 or another emergency number if you have hyperthyroidism and experience symptoms of thyroid storm.

Prevention

References

AACE Thyroid Task Force. American Association of Clinical Endocrinologists medical guidelines for clinical practice for the evaluation and treatment of hyperthyroidism and hypothyroidism. . 2002;8(6):457-469.

Ladenson P, Kim M. Thyroid. In: Goldman L and Ausiello D, eds. . 23rd ed. Philadelphia, Pa: Saunders; 2007:chap 244.

Davies TF, Larsen PR. Thyrotoxicosis. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. . 11th ed. Philadelphia, Pa: Saunders Elsevier;2008:chap 11.

Encyclopedia content is provided as information only and not intended to replace the advice and instruction from your personal physician.