Thyroid-by-Any-Lab-Test-Waco - PowerPoint PPT Presentation

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Thyroid-by-Any-Lab-Test-Waco

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The thyroid gland is responsible for regulating how your body uses energy.The thyroid also produces hormones critical to proper cell and system functioning. The Thyroid Panel screens for thyroid disease, hyperthyroidism and hypothyroidism by examining your body’s production of the thyroid hormones TSH, T3 and T4. – PowerPoint PPT presentation

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Title: Thyroid-by-Any-Lab-Test-Waco


1
THYROID
By Any Lab Test Waco
2
INTRODUCTION
  • Frequently misunderstood, and too often
    overlooked and misdiagnosed, thyroid disease
    affects almost every aspect of health, so
    understanding more about the thyroid, and the
    symptoms that occur when something goes wrong
    with this small gland, can help you protect or
    regain good health.
  • Women are at the greatest risk, developing
    thyroid problems seven times more often than men,
    a risk that increases with age and for those with
    a family history of thyroid problems.

3
THYROIDS LOCATION AND ITS ROLE.
  • Thyroid is a small bowtie or butterfly-shaped
    gland, located in your neck, wrapped around the
    windpipe, behind and below the Adam's Apple area.
  • The thyroid produces several hormones, of which
    two are main triiodothyronine (T3) and thyroxine
    (T4). These hormones help oxygen get into cells,
    and make your thyroid the master gland of
    metabolism.
  • The thyroid is the only cells in the body capable
    of absorbing iodine. The thyroid takes in iodine,
    obtained through food, iodized salt, or
    supplements, and combines it with the amino acid
    tyrosine.
  • The thyroid then converts the iodine tyrosine
    into the hormones T3 and T4. The "3" and the "4"
    refer to the number of iodine molecules in each
    thyroid hormone molecule.
  • When it's in good condition, of all the hormone
    produced by your thyroid, 80 will be T4 and 20
    T3. T3 is considered the biologically more active
    hormone -- the one that actually functions at the
    cellular level and is also considered several
    times stronger than T4.
  • Once released by the thyroid, the T3 and T4
    travel through the bloodstream. The purpose is to
    help cells convert oxygen and calories into
    energy.

4
  • As mentioned, the thyroid produces some T3. But
    the rest of the T3 needed by the body is actually
    formed from the mostly inactive T4 by a process
    sometimes referred to as "T4 to T3 conversion."
  • This conversion of T4 to T3 can take place in
    some organs other than the thyroid, including the
    hypothalamus, a part of your brain.
  • The thyroid is part of a huge feedback process.
    The hypothalamus in the brain releases
    Thyrotropin-releasing Hormone (TRH).
  • The release of TRH tells the pituitary gland to
    release Thyroid Stimulating Hormone (TSH). This
    TSH, circulating in your bloodstream, is what
    tells the thyroid to make thyroid hormones and
    release them into your bloodstream.

5
CAUSES OF THYROID DISEASE
  • Exposure to radiation
  • Over consumption of isoflavone-intensive soy
    products, such as soy protein, capsules, and
    powders
  • Some drugs, such as lithium and the heart drug
    cordarone, can cause hypothyroidism.
  • An overconsumption or shortage of iodine in the
    diet can also trigger some thyroid problems.
  • Radiation treatment to head, neck, chest,
    tonsils, adenoids, lymph nodes, thymus gland
    problems, or acne.
  • Overconsumption of uncooked foods, such as
    brussels sprouts, broccoli, turnips, radishes,
    cauliflower, cabbage and kale

6
RISK FACTORS
You have a family member with a thyroid
problemYou have another pituitary or endocrine
diseaseYou or a family member have another
autoimmune diseaseYou've been diagnosed with
Chronic Fatigue Syndrome You've been diagnosed
with Fibromyalgia You're femaleYou're over
60You've just had a babyYou're near menopause
or menopausal You're a smokerYou've been
exposed to radiationYou've been treated with
lithium You've been exposed to certain
chemicals (i.e., perchlorate, fluoride)
7
HYPERTHYRODISM
  • When the thyroid gland becomes overactive and
    produces too
  • much thyroid hormone, a person is said to be
    hyperthyroid.
  • The most common cause of hyperthyroidism is the
    autoimmune condition known as Grave's Disease
    where antibodies target the gland and cause it to
    speed up hormone production.

8
Autoimmune Thyroid Disease
  • Autoimmune disease refers to a condition where
    the body's natural ability to differentiate
    between its tissues, organs and glands, vs.
    outside bacteria, viruses or pathogens, becomes
    disrupted.
  • This causes the immune system to wrongly mount an
    attack on the affected area, by producing
    antibodies.
  • In the case of autoimmune thyroid disease,
    antibodies either gradually destroy the thyroid,
    or make it overactive.

9
Goiter/Thyroid Nodules
  • Sometimes the thyroid becomes enlarged due to
    Hashimoto's disease, Graves' disease, nutritional
    deficiencies, or other thyroid imbalances. When
    the thyroid become enlarged, this is known as a
    goiter.
  • Some people develop solid or liquid filled cysts,
    lumps, bumps and tumors, both benign and
    cancerous in the thyroid gland. These are known
    as thyroid nodules.

10
  • Thyroid Cancer
  • A small percentage of thyroid nodules are
    cancerous. Even thyroid cancer is a rare cancer,
    but it's on the rise now.
  • Thyroiditis
  • When the thyroid becomes inflamed, due to
    bacterial or viral illness, this is known as
    thyroiditis.

11
TREATMENT
  • Surgery is usually performed for thyroid cancer,
    for some cases of goiter or nodule, and less
    commonly, as a hyperthyroidism treatment.
  • Thyroid drugs are an important part of treatment
    for many patients.
  • Treatment of Graves disease and hyperthyrodism
    considers anti thyroid drug treatment,
    radioactive iodine ablation, and surgery for an
    overactive thyroid
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