T

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Related to thyroxine: Levothyroxine

T

Fifth letter of a Nasdaq stock symbol indicating that the stock has warrants or rights.

T

A symbol appearing next to a stock listed on NASDAQ indicating that the stock is not common issue, but has a warrant attached to it. All NASDAQ listings use a four letter abbreviation; if a T follows the abbreviation, this indicates that the security being traded has a warrant attached.

t

1. Used in the dividend column of stock transaction tables in newspapers to indicate the market value as of the distribution date of stock dividends paid during the preceding 12 months. Stocks with this listing paid no cash dividends: Jetron .71t.
2. Used in bond transaction tables in newspapers to indicate a floating-rate bond or note: Amoco 8.05s89t.
References in periodicals archive ?
Severe hypothyroidism in patients dependent on prolonged thyroxine infusion through a jejunostomy.
JOHN Lazarus, an emeritus professor in clinical endocrinology, said: "An underactive thyroid, which is in the neck, doesn't produce the hormone thyroxine, which is essential for the metabolism.
O'Reilly reports that from the 1940s through the 1960s, the average quantity of thyroxine prescribed was 200 to 300 micrograms daily.
Major Finding: Among 36 pregnancies, 14 subjects needed no additional thyroxine to maintain adequate suppression; 22 needed dosage increases and, of those, 4 were still not adequately suppressed during the entire pregnancy.
Low free thyroxine also correlated with retinopathy of prematurity severity, and with worse color vision and contrast sensitivity upon visual evoked potential testing at 6 months, reported Ms.
Reduced levels of thyroxine can produce tiredness, weight gain, hair loss, constipation, dry flaky skin and, rarely, heart problems.
Patients may well worry about suddenly finding their "frusemide" has turned into "furosemide" and they may wonder whether the "levothyroxine" is the same as the "thyroxine" they had last time.
In a study of more than 3,000 adults age 65 and older who were followed for more than 12 years, those with normal levels of free thyroxine (also referred to as T4) and thyroid-stimulating hormone (TSH) levels of 10 micro units per liter (mU/L) or above--which indicates subclinical hypothyroidism--had twice the risk of developing heart failure compared to those with normal thyroid levels.
Treatment of a goiter with thyroxine has questionable positive value and puts the patient at considerable risk for the problems of hyperthyroidism such as cardiac dysrhythmias and especially osteoporosis.
If your T4 blood test is low, you have an underactive thyroid and you're probably taking oral thyroxine. Thyroxine is T4.
Treatment of hypothyroidism involves thyroxine therapy (Eutroxsig, Oroxine).
Treatment for hypothyroidism is relatively straightforward--supplemental thyroid hormone, typically thyroxine. Treatment for hyperthyroidism can be more complex, however, depending on the cause and severity of the disease, age and other medical conditions.

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