Vitamin A Toxicity: eMedicine Endocrinology

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Vitamin A Toxicity: eMedicine Endocrinology

emedicine.medscape.com

Overview: Vitamin A is an important fat-soluble vitamin. Its basic molecule is a retinol, or vitamin A alcohol. After absorption, retinol is transported via chylomicrons to the liver, where it is either stored as retinol ester or ...

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Tags: Liver, Endocrinology, Vitamin A Deficiency, Vitamin

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Most Recently Shared on May 5, 2010 at 7:39 pm By:

Health_SS Susan S

Because it is a fat-soluble vitamin, too much vitamin A can result in toxicity. Learn vitamin A toxicity symptoms. http://bit.ly/a2iJbf

2 years ago...

Goiter, Diffuse Toxic: eMedicine Endocrinology

emedicine.medscape.com — “Overview: This condition was first described by the English physician Caleb H. Parry (1755-1822). The disorder is known as Graves disease (after Robert J. Graves) in the English-speaking world and as Basedow disease (after Karl A. von ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 10, 2010 at 5:40 pm By:

Health_SS Susan S Health Advocate

In diffuse toxic goiter, the thyroid gland is diffusely hyperplastic and excessively overproduces thyroid hormone. http://bit.ly/b8Wfds

2 years ago...

Goiter, Toxic Nodular: eMedicine Endocrinology

emedicine.medscape.com — “Overview: A toxic nodular goiter (TNG) is a thyroid gland that contains autonomously functioning thyroid nodules, with resulting hyperthyroidism. TNG, or Plummer's disease, was first described by Henry Plummer in 1913. TNG is the second most common ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 10, 2010 at 5:28 pm By:

SusanS_Health Susan Scroggins Active Health Library and Health Advocate

A toxic nodular goiter is a thyroid gland that has autonomously functioning thyroid nodules causing hyperthyroidism. http://bit.ly/aajdnn

2 years ago...

Vitamin E Toxicity: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Vitamin E is a fat-soluble vitamin that acts as an antioxidant and free radical scavenger in lipophilic environments. It is consumed by approximately 20% of the US population. Vitamin E requires bile for absorption, and 25% ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:49 pm By:

Health_SS Susan S Health Advocate

Vitamin E toxicity can result from an overdose of vitamin supplementation. Learn the symptoms. http://bit.ly/9hjIrV

2 years ago...

Vitamin E Deficiency: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Vitamin E, one of the most important lipid-soluble antioxidant nutrients, is found in nut oils, sunflower seeds, whole grains, wheat germ, and spinach. Severe deficiency, as may occur in persons with abetalipoproteinemia or fat malabsorption, profoundly ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:47 pm By:

Health_SS Susan S Health Advocate

Severe vitamin E deficiency may occur in persons with abetalipoproteinemia or fat malabsorption. Learn more. http://bit.ly/cvzShM

2 years ago...

Vitamin K Deficiency: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Vitamin K (VK), an essential, lipid-soluble vitamin that plays a vital role in the production of coagulation proteins, is found in green, leafy vegetables and in oils, such as soybean, cottonseed, canola, and olive oils.1 ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:45 pm By:

Health_SS Susan S Health Advocate

Vitamin K (VK), an essential, lipid-soluble vitamin that plays a vital role in protein coagulation. More on deficiency.http://bit.ly/97HbXp

2 years ago...

Riboflavin Deficiency: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Riboflavin, or vitamin B-2, was initially isolated from milk whey in 1879. Originally called lactochrome, it was also once known as vitamin G. Riboflavin is important for energy production, enzyme function, and normal fatty acid and ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:44 pm By:

Health_SS Susan S Health Advocate

Water-soluble riboflavin (vitamin B-2) is not stored in ample amounts, and deficiency can occur. Learn the symptoms. http://bit.ly/9LZlQO

2 years ago...

Vitamin D Deficiency and Related Disorders: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Vitamin D deficiency in children can manifest as rickets (it is the most common cause of nutritional rickets), which presents as bowing of the legs. Vitamin D deficiency in adults results in osteomalacia, which presents as ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:42 pm By:

Health_SS Susan S Health Advocate

Vitamin D deficiency in children can manifest as rickets, which presents as bowing of the legs. Learn more. http://bit.ly/bw2Kda

2 years ago...

Scurvy: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Scurvy was first described in 1541 by a Dutch physician named Echthius working in Cologne, Germany. Mistakenly, he thought it was an infectious disease. In 1540, a French explorer named Jacques Cartier learned of a remedy ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:31 pm By:

Health_SS Susan S Health Advocate

A study by NHANES III has determined 14% of males & 10% of females were vitamin C deficient. More on scurvy. http://bit.ly/bE5yd9

2 years ago...

Pyridoxine Deficiency: eMedicine Endocrinology

emedicine.medscape.com — “Overview: Pyridoxine 5'-phosphate is an essential cofactor in various transamination, decarboxylation, glycogen hydrolysis, and synthesis pathways involving carbohydrate, sphingolipid, amino acid, heme, and neurotransmitter metabolism. Pyridoxine deficiency causes blood, skin, and nerve changes. This vitamin is unique ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 7:26 pm By:

Health_SS Susan S Health Advocate

Pyridoxine deficiency causes blood, skin, and nerve changes. Learn more about causes and symptoms. http://bit.ly/a8oR77

2 years ago...

Beriberi (Thiamine Deficiency): eMedicine Endocrinology

emedicine.medscape.com — “Overview: Thiamine deficiency, or beriberi, refers to the lack of thiamine pyrophosphate, the active form of the vitamin known as thiamine (also spelled thiamin), or vitamin B-1. Thiamine pyrophosphate acts as a coenzyme in carbohydrate metabolism through ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 5, 2010 at 6:46 pm By:

SusanS_Health Susan Scroggins Active Health Library and Health Advocate

Beriberi refers to the lack of thiamine, or vitamin B-1. Learn more about causes and symptoms. http://bit.ly/93a3cm

2 years ago...

Toxicity, Vitamin: eMedicine Emergency Medicine

emedicine.medscape.com — “Overview: Every day 44% of Americans take vitamins and dietary supplements.1 In 2007, vitamin C, vitamin E, and multivitamins were among 5 best-selling supplements.2 As many as 84% of Americans consider vitamins and supplements safe,View full resource at emedicine.medscape.com

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Most Recently Shared on May 4, 2010 at 2:04 am By:

SusanS_Health Susan Scroggins Active Health Library and Health Advocate

Every day 44% of Americans take vitamins and dietary supplements. When taken in large doses, vitamins can be toxic. http://bit.ly/9YARE8

2 years ago...

Toxicity, Iron: eMedicine Emergency Medicine

emedicine.medscape.com — “Overview: Iron overdose has been one of the leading causes of death caused by toxicological agents in children younger than 6 years. Iron is used as a pediatric or prenatal vitamin supplement and for treatment of anemia. ...View full resource at emedicine.medscape.com

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Most Recently Shared on May 3, 2010 at 10:11 pm By:

SusanS_Health Susan Scroggins Active Health Library and Health Advocate

Iron overdose has been one of the leading causes of death caused by toxicological agents in children uder 6 years. http://bit.ly/cO3ULh

2 years ago...

Vitamin A Deficiency: eMedicine Endocrinology

emedicine.medscape.com — “Overview: The word vitamin was originally derived from Funk's term vital amine. In 1912, he was referring to Christian Eijkman's discovery of an amine extracted from rice polishings that could prevent beriberi. Funk's recognition of the antiberiberi ...View full resource at emedicine.medscape.com

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Most Recently Shared on February 17, 2010 at 5:29 pm By:

MedscapeEndo Medscape Endocrin Endocrinology

A single, oral dose of vitamin A apparently effective against vitamin A deficiency in preschool-aged children. At http://bit.ly/d1sCJX

2 years ago...

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