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46 Cards in this Set

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Hyperthyroidism, Forms?

Graves' disease

Hyperthyroidism Etiology

Autoimmune: thyroid-stimulating antibodies.


Adenoma: thyroid or pituitary


Toxic goiter

Hyperthyroidism Serum T3 and T4 levels

High



HyperthyroidismMetabolic rate

High



Hyperthyroidism nervous system effects

Restlessness, anxiety, irritability


Insomnia


Tremors


Impaired concentration

Hyperthyroidism Cardiovascular effects

Tachycardia


Palpitations, arrhythmia's


Increased blood pressure


Cardiomyopathy


Severe: angina pectoris, myocardial infarction

Hypothyroidism Form

Infant: Cretinism


Adult: Myxedema

Hypothyroidism Etiology

Congenital: Thyroid agenesis or dysgenesis


Lower TSH or T3 and T4


Adult: Autoimmune (Hashimoto's disease)


Surgical removal


Drugs

HypothyroidismSerum T3 and T4 levels

Low

Hypothyroidism Metabolic rate

Low

Hypothyroidism Nervous system effects

Child: severe mental retardation


Decreased reflexes


Fatigue, sluggishness


Headache


Slow intellectual functions


Coma

Hypothyroidism Cardiovascular effects

Bradycardia Decreased CO Decreased blood pressure

Hyperthyroidism respiratory effects

Hyperventilation


Dyspnea



Hyperthyroidism skeletal effects

Increased resorption


Advanced bone age


Osteoporosis

Hyperthyroidism Muscular effects

Increased tone leading to tremors and twitching


Diarrhea

Hyperthyroidism Skin and hair

Increased sweating


Flushed warm skin


Soft nails


Thin, silky hair

Hyperthyroidism Temperature tolerance

Increased body temperature


Heat intolerance



Hyperthyroidism Eyes

Exophtalmos


Decreased blinking and eye movements


"Lid lag"

Hyperthyroidism Body weight

Decreased with increased appetite

Hyperthyroidism Presence of goiter

With graves

Hyperthyroidism Treatment

Anthropoid agents


Radioactive iodine


Thyroidectomy

Hypothyroidism Respiratory effects

Hyperventilation

Hyperthyroidism Skeletal effects

Retarded bone age


"Stubby hands"

Hyperthyroidism Muscular effects


Decreased tone and reflexes


Muscle weakness


Decreased peristalsis leading to constipation flatulence, and abdominal distention





Hyperthyroidism Skin and hair

Pale: yellowish hue


Cool


Dry and rough


Hair brittle and coarse


Alopecia


Loss of lateral third of eyebrows

Hyperthyroidism temperature tolerance

Decreased body temperature


Cold intolerance

Hyperthyroidism Eyes

Puffy



Hyperthyroidism Body wieght

Increased with decreased appetite


Edematous



Hyperthyroidism Presence of goiter

With endemic goiter

Hyperthyroidism Treatment

Replacement therapy (medication)

The endocrine system consists of?

A group of glands that produce regulatory chemicals called hormones.

The endocrine system specialize

in hormone secretion

The nervous system is fast acting using

Electrical signals

The endocrine system is is slow or fast?

Slow, and uses chemical messengers called hormones.

Hormones

Chemical messengers with regulatory effects on cells or organs. They are released into tissue fluids, not through ducts.




The cells that make up these tissues have receptors on the membranes that they attach to

Some hormones affect many tissues like

Growth hormone


Thyroid hormone


Insulin

Some affect a specific tissue

(TSH) Thyroid-stimulating hormone


(ACTH) Adrenocorticotropic hormone



Hormone chemistry

Amino acid compounds


Proteins or related compounds


All hormones except steroids


Lipids-Steroids,


Fatty acids, derived from the steroid cholesterol.... Produced in the adrenal cortex and sex glands... Prostaglandins are also lipids



Negative feedback

Endocrine gland over secretes hormone


Tissue becomes too active


Action negatively affects gland to decrease secretion

Positive feedback

Hormone response produces more hormone, needs a break- example child birth

Rhythmic pattern

pineal gland



The pituitary gland is called the?

Master gland and releases hormones that affect working of other endocrine glands.

The pituitary gland is located where

At the base of the brain, just below the hyopthalamus, to which it is attached via nerve fibers. It is the size of a pea




It produces critical hormones, which are chemical substances that control various bodily functions.

Pituitary structure Anterior lobe

produces and release hormones

Pituitary structure posterior lobe

Anti diuretic hormone (ADH) and oxytocin stored here

Pituitary structure

infundibulum- the hollow stalk that connects the hypothalamus and the posterior pituitary gland