Thyroid Disorders. Endocrine Glands Collection of glands that secrete hormones directly into the...

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Thyroid Disorders

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Transcript of Thyroid Disorders. Endocrine Glands Collection of glands that secrete hormones directly into the...

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  • Thyroid Disorders
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  • Endocrine Glands Collection of glands that secrete hormones directly into the bloodstream. Adrenal glands, parathyroid glands, pancreas, pineal gland, pituitary gland, ovaries, testes, thymus gland, thyroid gland
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  • Thyroid Gland (Hormone.org, 2012)
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  • Figure 12-7: Effects of thyroxine. (Zelman, Tompary, Raymond, Holdaway, Mulvhill, 2010)
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  • Thyroid TSH T3 T4 Disruption of hormones Hyperthyroidism Hypothyroidism (NIDDK, 2006)
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  • Hyperthyroidism One of the most common hyperthyroid disorders Graves Disease More common in women than men
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  • Hyperthyroid Symptoms Exophthalmos Profuse perspiration Hand tremors Goiter Weight loss Nervousness/excitability Rapid pulse Polydipsia Diarrhea Insomnia
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  • Insert Figure 12-9: Thyroid goiter. (Newscom) (Zelman, Tompary, Raymond, Holdaway, Mulvhill, 2010)
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  • Hypothyroidism Most common type of hypothyroidism Hashimotos Disease The thyroid doesnt make enough thyroid hormone Symptoms: Fatigue, mental depression, feeling cold, weight gain, dry skin and hair, constipation, menstrual irregularities
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  • Thyroid Cancer Most people have no symptoms 4 types: Papillary slow growing easily treated rarely fatal Follicular again slow growing rarely fatal Medullary less common more aggressive Anaplastic least common most aggressive
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  • Addisons Disease Adrenal Insufficiency Adrenal glands cannot produce enough cortisol OR Pituitary gland fails to produce enouch adrenocorticotropin (ACTH) Symptoms: Chronic, worsening fatigue Muscle weakness Loss of appetite Weight loss Nausea/vomiting Diarrhea Craving for salty foods Low blood glucose Headache
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  • Cushings Syndrome Caused by prolonged exposure of the bodys tissues to high levels of the hormone cortisol. Relatively rare but risk factors: Obesity Type 2 diabetes High blood pressure
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  • Cushings Syndrome Signs & Symptoms: Rounded face Upper body obesity Increased neck fat Bruise easily / poor healing Weakened bones Fatigue Increased thirst/urination Irritability / anxiety / depression (NIDDK, 2006)
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  • Insert Figure 12-11: A patient with Cushings syndrome (A) before and (B) after receiving treatment. (Sharmyn McGraw) (Zelman, Tompary, Raymond, Holdaway, Mulvhill, 2010)
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  • Treatments Medication Radioactive Iodine Surgery Prevention??