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Topic: Hypothyroidism


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In the News (Mon 23 Nov 09)

  
  Hypothyroidism: A Case of Hypothyroid Disease in the Dog at ThePetCenter.com
Hypothyroidism in the dog can be due to a number of issues associated with the production of specific thyroid hormones, with the delivery of those hormones to target tissues, with immune mediated interference with proper chemical structure the hormones and with damage to the thyroid gland itself.
Of great concern to breeders is the fact that dogs with hypothyroidism may be infertile and many breeders have their dogs tested for thyroid function prior to breeding; in dogs with a poor breeding history, hypothyroidism often is the culprit.
Not all cases of hypothyroidism are due to autoimmune lymphocytic infiltration of the gland.
www.thepetcenter.com /gen/hypot.html   (1517 words)

  
  Hypothyroidism - Wikipedia, the free encyclopedia
Hypothyroidism is the disease state in humans and domestic animals caused by insufficient production of thyroid hormone by the thyroid gland.
Advanced hypothyroidism may cause severe complications, the most serious one of which is myxedema.
Hypothyroidism in dogs is a slowly progressive disease as well and can be difficult to diagnose accurately in the early stages.
en.wikipedia.org /wiki/Hypothyroidism   (545 words)

  
 Hypothyroidism
Hypothyroidism develops when the thyroid gland does not produce enough thyroid hormone, which regulates the way the body uses energy.
Less common causes of hypothyroidism include viral and bacterial infections of the thyroid gland, disorders of the pituitary gland or the hypothalamus, inadequate iodine or excessive iodine in the diet (rarely seen in Western countries), some medications, and congenital hypothyroidism (present from birth).
An infant born to a woman with untreated hypothyroidism is at increased risk of having hypothyroidism at birth; however, the infant's thyroid gland usually compensates shortly after birth.
www.healthwise.org /kbase/topic/major/hw145667/descrip.htm   (696 words)

  
 Hypothyroidism
Hypothyroidism is one of the most common chronic diseases in the United States, affecting an estimated 11 million adults and children.
Hypothyroidism is most often the result of Hashimoto's disease, also known as chronic thyroiditis (inflammation of the thyroid gland).
Hypothyroidism is diagnosed by testing the patient’s blood to measure the level of both thyroid hormone and the pituitary’s thyroid-stimulating hormone (TSH).
www.hmc.psu.edu /healthinfo/h/hypothyroidism.htm   (508 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
These children are said to have transient hypothyroidism as a result of exposure to antithyroid medications, maternal antithyroid antibodies, or an iodine deficiency in the womb.
Hypothyroidism is the condition in which the thyroid is underactive and is producing an insufficient amount of thyroid hormones.
In about 10 percent of cases, congenital hypothyroidism is inherited by an autosomal recessive gene, which means that two copies of the gene are necessary to produce the condition and both males and females are equally affected.
www.healthsystem.virginia.edu /uvahealth/peds_diabetes/hypothd.cfm   (585 words)

  
 Hypothyroidism
Hypothyroidism is the condition in which the thyroid is underactive (i.e., it is producing an insufficient amount of thyroid hormones).
The most common cause of hypothyroidism is an autoimmune reaction, where the body produces antibodies against the thyroid gland.
Symptoms of hypothyroidism are usually very subtle and gradual and may be mistaken for symptoms of depression.
www.umm.edu /endocrin/hypot.htm   (397 words)

  
 eMedicine - Hypothyroidism : Article by Philip R Orlander
Hypothyroidism is most prevalent in elderly populations, with 2% to as much as 20% of older age groups having some form of hypothyroidism.
The treatment goals for hypothyroidism are the reversal of clinical progression and the correction of metabolic derangements as evidenced by normal blood levels of TSH and free T4.
Hypothyroidism in pregnancy is associated with preeclampsia, anemia, postpartum hemorrhage, cardiac ventricular dysfunction, spontaneous abortion, low birthweight, impaired cognitive development, and fetal mortality.
www.emedicine.com /MED/topic1145.htm   (4319 words)

  
 Canine Hypothyroidism: Frequently Asked Questions / Diagnosing and Treating Underactive Thyroid Problems in Dogs / ...
Hypothyroidism is a disorder of the thyroid gland -- two small butterfly-shaped lobes located in the neck.
Hypothyroidism is treated with a daily dose of synthetic thyroid hormone called thyroxine (levothyroxine).
Hypothyroid dogs who receive proper treatment have a normal life span and are able to maintain good health well into their golden years.
www.thyroid-info.com /articles/dog-hypo.htm   (827 words)

  
 Hypothyroidism
Hypothyroidism is the most common hormone imbalance of the dog.
Abnormal rhythms or slow heart rate occur in as many as 26% of hypothyroid dogs; still, the significance of this in terms of overall lifestyle is not clear.
Unfortunately, when it finally became available, it was found that many dogs with true hypothyroidism did not have elevated TSH levels as one would expect; still, this test is often helpful in making the diagnosis of hypothyroidism.
www.marvistavet.com /html/body_hypothyroidism.html   (1979 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
Hypothyroidism is a condition in which the thyroid gland fails to function adequately, resulting in reduced levels of thyroid hormone in the body.
Another common cause of hypothyroidism is medical treatment, such as surgery or radiation to the thyroid gland, to treat hyperthyroidism (over-activity of the thyroid gland).
Hypothyroidism due to insufficient intake of iodine may possibly improve with bladderwrack supplementation, though human studies have not confirmed this.
www.kroger.com /hn/Concern/Hypothyroidism.htm   (2010 words)

  
 eMedicine - Hypothyroidism : Article by Robert J Ferry, Jr, MD   (Site not responding. Last check: 2007-10-12)
Congenital hypothyroidism most commonly results from agenesis, dysplasia, or ectopy of the thyroid; however, it is also caused by autosomal recessive defects in the organification of iodine (thyroid hormone synthesis) and defects in other enzymatic steps in T4 synthesis and release.
Detection of congenital hypothyroidism based on signs and symptoms alone may be delayed until age 6-12 weeks or older given the protean clinical presentation and requires a high index of suspicion by the health care provider.
Congenital hypothyroidism: Approximately 75% of infants with congenital hypothyroidism have defects in thyroid gland development, 10% have hereditary defects in thyroid hormone synthesis or uptake, 5% have secondary (pituitary) or tertiary (hypothalamus) hypothyroidism, and 10% have transient hypothyroidism.
www.emedicine.com /ped/topic1141.htm   (5883 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
Hypothyroidism was first diagnosed in the late nineteenth century when physicians observed that after surgically removing the thyroid gland, a patient developed swelling of the hands, face, feet, and tissues around the eyes.
Hypothyroidism during pregnancy and anti-thyroid medications in pregnant hyperthyroid women are major causes of temporary hypothyroidism in infants.
Hypothyroidism is significantly associated with high levels of total cholesterol, LDL (the so-called bad cholesterol), triglycerides, and other lipids (fat molecules) associated with heart disease.
www.morehead.org /wellconnected/000038.htm   (10585 words)

  
 What Is Hypothyroidism?   (Site not responding. Last check: 2007-10-12)
Hypothyroidism is a condition in which there is too little thyroid hormone in the bloodstream.
Inadequate stimulation of cells and organs in the body due to low levels of thyroid hormone causes the symptoms associated with hypothyroidism, which is generally a "slowing-down" of the body's processes.
Hypothyroidism may affect between 4% and 9% of the general population, and between 9% and 16% of people over age 60.
www.ehealthmd.com /library/hypothyroidism/HYO_whatis.html   (1068 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
Older women with sub clinical or under-active hypothyroidism was shown to be twice as likely as women without this condition to have heart attacks.
This is indicative of secondary or tertiary hypothyroidism.
Hypothyroidism is one of the most under-diagnosed diseases of the aging process.
www.drlam.com /physician_support/hypothyroidism.cfm   (2285 words)

  
 Hypothyroidism - WrongDiagnosis.com
Hypothyroidism is the most common form of thyroid disease.
Hypothyroidism is the disease state caused by insufficient production of thyroid hormone by the thyroid gland.
With a diagnosis of Hypothyroidism, it is also important to consider whether there is an underlying condition causing Hypothyroidism.
www.wrongdiagnosis.com /h/hypothyroidism/intro.htm   (826 words)

  
 Hypothyroidism
Hypothyroidism is associated with unhealthy cholesterol levels, mild high blood pressure, impaired heart muscle contraction, and heart failure in people with existing heart disease.
Hypothyroidism may slow the heart rate to less than 60 beats per minute, reduce the heart’s pumping capacity, and increase the stiffness of blood vessel walls.
Most women with untreated hypothyroidism fail to ovulate, and, in fact, many younger women with hypothyroidism are diagnosed with the condition during a fertility evaluation.
www.icaa.cc /WCI/articles/000038_6.htm   (1225 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
Hypothyroidism occurs when secretion of thyroid hormones is inadequate to the point that the body begins to slow down.
Hypothyroidism in newborns (known as congenital hypothyroidism) occurs in about.04% of infants, and in 90% of these cases it is life long.
Secondary hypothyroidism, caused by pituitary growth, produces the usual symptoms of primary hypothyroidism, and, in addition, sexual drive and fertility may be impaired in both men and women.
www.reutershealth.com /wellconnected/doc38.html   (9459 words)

  
 MedlinePlus Medical Encyclopedia: Hypothyroidism
Hypothyroidism is a condition in which the thyroid gland fails to produce enough thyroid hormone.
Hypothyroidism, or underactivity of the thyroid gland, may cause a variety of symptoms and may affect all body functions.
Failure of the pituitary gland to secrete a hormone to stimulate the thyroid gland (secondary hypothyroidism) is a less common cause of hypothyroidism.
www.nlm.nih.gov /medlineplus/ency/article/000353.htm   (738 words)

  
 New York Thyroid Center: Hypothyroidism
As we age, hypothyroidism becomes increasingly common, particularly in women (10% of all women over the age of 50 show signs of a failing thyroid).
This type of hypothyroidism may be difficult to detect immediately, because there may be just a small amount of thyroid tissue that is not destroyed right away.
The symptoms of hypothyroidism are mainly dependent on the amount of decrease in thyroid hormone and duration of time that the decrease has been present.
cpmcnet.columbia.edu /dept/thyroid/HypothyroidismHP.html   (1178 words)

  
 Hypothyroidism Causes, Symptoms, Diagnosis, Treatment Information Produced by Medical Doctors
hypothyroidism symptoms, myxedema, sub clinical hypothyroidism, hypothyroidism and pregnancy, hypothyroidism diagnosis, hypothyroidism treatment
Hypothyroidism refers to any state in which thyroid hormone production is below normal.
There are many disorders that result in hypothyroidism.
www.medicinenet.com /hypothyroidism/article.htm   (500 words)

  
 Flat-Coated Retriever Society of America, Inc.
Hypothyroidism is commonly caused by an auto-immune response; that is, the body creates antibodies directed against the thyroid glands causing their destruction.
Although the exact incidence of this disease among dogs is not known, it is equally distributed between males and females in the canine population.
Hypothyroidism is a genetic disease and is thought to be an autosomal recessive disorder.
clubs.akc.org /fcra/healthmanual/hypo.html   (819 words)

  
 Hypothyroidism - MayoClinic.com
This condition is known as hypothyroidism, or underactive thyroid disease.
Hypothyroidism seldom causes symptoms in the early stages, but over time, untreated hypothyroidism can cause a number of health problems, such as obesity, joint pain, infertility and heart disease.
The good news is that accurate thyroid function tests are available to diagnose hypothyroidism, and treatment of hypothyroidism with synthetic thyroid hormone is usually simple and effective once the proper dosage is established.
www.mayoclinic.com /health/hypothyroidism/DS00353   (275 words)

  
 Hypothyroidism   (Site not responding. Last check: 2007-10-12)
In underdeveloped countries, a chronic lack of iodine in a diet (the thyroid needs iodine to produce thyroid hormones) is a major cause of hypothyroidism.
Severe hypothyroidism can lead to a condition called myxedema, characterized by dry, thickened skin and course facial features.
The most common cause of hypothyroidism is the body's autoimmune reaction to itself, producing antibodies against the thyroid gland.
www.healthsystem.virginia.edu /uvahealth/adult_endocrin/hypot.cfm   (350 words)

  
 Hypothyroidism
The thyroid gland, located in the lower front of the neck, produces hormones that are extremely important for the regulation of the body's metabolism.
Hypothyroidism is more common among elderly people, especially women, and affects 1.5 to 2 per cent of people over the age of 60 years.
When hypothyroidism is suspected the diagnosis can be confirmed by taking a blood sample to measure the concentration of thyroid stimulating hormone (TSH).
www.netdoctor.co.uk /diseases/facts/hypothyroidism.htm   (666 words)

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