Make sure
it includes TSH, free T3, and free T4 at least.
A naturopathic doctor can run a full panel of thyroid labs that
includes TSH, T4, T3, reverse T3 and anti-TPO in order to better determine which part of your thyroid pathway is impaired.
A comprehensive test — which
includes TSH, T3, T4, antibodies, and reverse T3 — is between $ 165 to $ 200.
I recommend a complete thyroid panel that
includes TSH, total T4, free T4, total T3, free T3, reverse T3, anti-TPO antibodies, and anti-thyroglobulin antibodies.
In my experience, the best thyroid panel would
include TSH, free and total T3, free and total T4, reverse T3, levels of antibodies to thyroid tissue, plus indirect markers like homocysteine, alpha and beta carotene, and cholesterol.
Left Image: Book Cover, courtesy of Janie Bowthorpe Our Program: For diagnosis of low thyroid, we use a lengthy questionnaire which reviews over 70 symptoms of low thyroid, a complete thyroid blood panel
including TSH, free T3 and free T4, Thyroid antibodies and a physical examination which includes measurement of reflex time.
Include TSH, T3, and T4 panels along with other hormones such as estrogen, progesterone, testosterone, metabolic panel to rule out other causes.
Have your thyroid levels carefully evaluated 6 to 8 weeks later,
including TSH, free T4, and free T3, to ensure that you are not over - or undermedicated.
She doesn't, however,
include a TSH test, because it isn't as accurate in dogs as it is in humans.
Not exact matches
Several tests to get to the bottom of a thyroid imbalance
include thyroid antibody, basal body temperature or
TSH (thyroid - stimulating hormone) testing.
The most common antibodies found in Graves» disease are
TSH receptor antibodies,
including thyroid - stimulating immunoglobulin (TSI)-- this marker is elevated in > 90 % of people with Graves» disease.
Additionally, when scientists first set the «normal» ranges of
TSH for healthy individuals, they inadvertently
included elderly patients and others with compromised thyroid function in the calculations leading to an overly lax reference range.
I would also have someone look carefully at a full panel of your hormones and focus on the thyroid (remember to get the whole panel
including FT3, FT4 and RT3 and if not checked previously TA / TPO) not just
TSH.
There are other tests for thyroid conditions besides
TSH including testing for autoimmune thyroid antibodies.
In addition, lab testing
includes a complete thyroid blood panel with
TSH, free T3 and free T4, Thyroid antibodies.
Our Baseline panel
includes some of the markers mentioned above (
TSH, vitamin D), in addition to advanced cardiovascular and lipid panels, liver and kidney health, inflammation, and more.
TSH levels can be maintained through proper nutrition that regulates your iodine intake, as well as provides you with other essential vitamins and nutrients, which
include tyrosine, B vitamins, vitamin A, selenium, zinc, magnesium, and essential fatty acids.
My reason for
including them was because I started noticing some low thyroid like symptoms while in NK (not verified through
TSH, T3 blood tests though so I could be wrong in my «how I felt» - based assessment).
Some research also suggests that treating someone with Hashimoto's who otherwise has normal blood tests,
including a normal
TSH level, may help prevent elevation of the
TSH level and progression to full hypothyroidism.
Assessment methods
include urinary iodine concentration, goiter, newborn
TSH, and blood thyroglobulin.
Hashimoto's thyroid panel
includes not only
TSH, free T4 and free T3 to evaluate thyroid function but also following antibodies to check for Hashimoto's:
The mechanisms that are activated
include diminished
TSH secretion, a suppressed T4 to T3 conversion, an increase in reverse T3, an increase in appetite, an increase in insulin resistance and an inhibition of lipolysis (fat breakdown).
A study published in the Journal of Clinical Investigation in 1995 demonstrated that the normalization of plasma
TSH and T4 levels with T4 - only preparations provide adequate tissue T3 levels to only a few tissues,
including the pituitary (leading to a normal
TSH level), but almost every other tissue will be deficient.
For example, a comprehensive thyroid exam
includes testing levels of T4, T3, Reverse T3,
TSH, and other elements.
This leptin resistance results in the hypothalamus sensing starvation, so as the body tries to reverse the perceived state of starvation, this
includes diminished
TSH secretion, a suppressed T4 to T3 conversion, an increase in reverse T3, an increase in appetite, an increase in insulin resistance and an inhibition of lipolysis (fat breakdown).
Hormonal tests are important; they
include testosterone for women plus DHEAS, progesterone, oestrogen, cortisol, PTH, thyroid
TSH, T3 and T4 at the very least.
After a few years of suffering and poor responses from GP and EndoPrats — I had many symptoms
including low body temps, fatigue, weigh gain, thinning hair and eyebrows, low mood etc etc — but the usual «normal»
TSH — I did my own research and now self treat on T3.
Lab testing offers a more comprehensive diagnosis when T3 / reverseT3 ratio, along with SHBG, is
included with a thyroid panel (
TSH, T3, T4, RT3).
A good thyroid testing protocol
includes the following lab values, Thyroid Stimulating Hormone (
TSH), Free T3 (tri-iodiodothyronine), Free T4, Thyroid Peroxidase (TPO) Antibodies, Thyroglobulin (Tgb) Antibodies, selenium level, and iodine level.
If you suspect a patient has thyroid issues, make sure you run a full thyroid blood work panel, which should
include the standard
TSH and T4, but also T3, free T3, free T4, and thyroid antibodies.
As for the testing, the gold standard in diagnosis of thyroid disease in dogs, is the complete thyroid panel, to
include Free T4,
TSH, Thyroglobulin autoantibody test, etc which is one done at Michigan State
These
included feline serum TLI, canine and feline serum PLI, canine and feline fecal alpha 1 - proteinase inhibitor, unconjugated serum bile acids, canine
TSH, and canine and feline serum cobalamin and folate assays.
It has indeed been associated with hypothyroidism, so a free t4 and
TSH would be a good idea (along with a general screen
including a complete blood count, biochemical profile and urinalysis).
A
TSH assay is
included as part of the OFA screening of potential breeding dogs for any genetic tendency toward hypothyroidism.
Abnormalities may
include a low T4 level, a high
TSH level, mild anaemia, and a high cholesterol level.
A thyroid panel done by Michigan State
includes a canine
TSH level (thyroid stimulating hormone) which provides valuable information to distinguish among the various types of thyroid results.
Recognized causes of congenital hypothyroidism in cats
include intrathyroidal defects in thyroid hormone biosynthesis (dyshormonogenesis), an inability of the thyroid gland to respond to
TSH, and thyroid dysgenesis.
Tests that may confirm the diagnosis
include measurement of the serum concentrations of total T4, free T4, and
TSH; provocative thyroid function tests (eg,
TSH stimulation test); thyroid gland imaging; and response to thyroid hormone supplementation.
Such tests
include but are not limited to infectious disease titers, thyroid hormone analysis (T4, fT4, T3,
TSH), specialized liver tests (blood ammonia), Cushing's disease or Addison's disease tests (such as basal cortisol level, ACTH stimulation test, HDDS or LDDS tests, dexamethasone suppression test), insulin: glucose ratio, pancreas - assessment tests (PLI, TLI, cobalamin, folate), creatinine kinase, ionized calcium, PTH or PTHrP, SDMA for renal assessment, serum protein electrophoresis, tests to assess blood clotting (PT, PTT, ACT, TT, FDPs, D - dimers), and blood gas measurements.
CBC and blood chemistry values that
include AST, ALT, Free T4, A muscle biopsy,
TSH test, 2M Antibody Blood Test for myositis, radiography and ultrasound, pre and post exercise blood lactate levels, PCR tests for infectious agents such as toxoplasmosis, ProBNP (or other natriuretic peptide test, eg Antech Cardio - BNP) for acute heart disease (cardiomyopathy), free myoglobin, blood potassium level.