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  2. Acute infectious thyroiditis - Wikipedia

    en.wikipedia.org/wiki/Acute_infectious_thyroiditis

    Occurrences of AIT are most common in patients with prior thyroid disease such as Hashimoto's thyroiditis or thyroid cancer. The most common cause of infection in children is a congenital abnormality such as pyriform sinus fistula. [5] In most cases, the infection originates in the piriform sinus and spreads to the thyroid via the fistula. [7]

  3. De Quervain's thyroiditis - Wikipedia

    en.wikipedia.org/wiki/De_Quervain's_thyroiditis

    While typically normal, the blood leukocyte count may be slightly increased. There may be anemia that is normochromic and normocytic. Thyroid function testing frequently reveals decreased thyroid stimulating hormone (TSH) and increased serum levels of triiodothyronine (T3) and thyroxine (T4) during the acute phase of the disease. [2]

  4. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...

  5. Euthyroid sick syndrome - Wikipedia

    en.wikipedia.org/wiki/Euthyroid_sick_syndrome

    In critical illness, the activity of different deiodinases is altered. Humoral and neuronal inputs at the level of the hypothalamus may adjust the set point of thyroid homeostasis. This may play an important role in the pathogenesis of the central component of thyroid allostasis in critical illness, tumors, uremia and starvation (TACITUS). [9]

  6. Subacute thyroiditis - Wikipedia

    en.wikipedia.org/wiki/Subacute_thyroiditis

    In subacute granulomatous thyroiditis, a prodrome of a viral illness, painful thyroid, and symptoms of thyrotoxicosis may be present. [1] [2] [3] Thyroid function test will evolve through the three phases of thyrotoxicosis, hypothyroidism, and euthyroid state. In the thyrotoxic phase, thyroid stimulating hormone (TSH) will be low with high or ...

  7. Thyroid disease - Wikipedia

    en.wikipedia.org/wiki/Thyroid_disease

    Screening for thyroid disease in patients without symptoms is a debated topic although commonly practiced in the United States. [8] If dysfunction of the thyroid is suspected, laboratory tests can help support or rule out thyroid disease. Initial blood tests often include thyroid-stimulating hormone (TSH) and free thyroxine (T4). [9]

  8. Hypothyroidism - Wikipedia

    en.wikipedia.org/wiki/Hypothyroidism

    Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold , extreme fatigue, muscle aches , constipation , slow heart rate , depression , and ...

  9. Thyroid function tests - Wikipedia

    en.wikipedia.org/wiki/Thyroid_function_tests

    Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.

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