Hypothyroidsim Flashcards

1
Q

The endocrine system is a

A

Network of glands and organs that regulate hormone production

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2
Q

The thyroid gland is located

A

At the front of the neck

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3
Q

What are the functions of the thyroid gland ?

A
  • help regulate metabolism
  • produce hormones
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4
Q

What are the hormones produced by the thyroid gland

A

-T3 (tri-iodothyronine)
- T4 ( thyroxine )
- calcitonin

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5
Q

What regulates thyroid hormone production ?

A

Pituitary gland and hypothalamus

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6
Q

What is the function of TSH (thyroid stimulating hormone)

A

Controls the release of hormone to the blood

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7
Q

What is the function of TRH ( thyroid regulating hormone) ?

A

Stimulates the release of TSH

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8
Q

What’s does an increase in T3 & T4 cause ?

A

Decreased lvl of TSH

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9
Q

What does a decrease in T3 & T4 cause ?

A

Increase in TSH

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10
Q

What do T3 and T4 regulate ?

A
  • phys growth and mental development ( heel prick test in newborns)
  • metabolism
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11
Q

What’s is secreted by the parathyroid ?

A

PTH (parathyroid hormone )

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12
Q

What are some of the complications associated with the thyroid gland

A

-hypothyroidism
-hyperthyroidism

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13
Q

What is hypothyroidism ( hyxoedema) ?

A

Thyroid gland doesn’t produce enough thyroid hormones

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14
Q

What are the S+S of hypothyroidism ?

A

-fatigue
-^ sensitivity to cold
- constipation
- dry skin + thinning hair
- hoarseness
- muscle + joint probs
- ^ blood cholesterol lvl
- menstrual changes
- depression
-impaired memory
- slowed HR
- goitre

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15
Q

What is goitre ?

A

Enlargement of the thyroid gland

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16
Q

What are some of the characteristics of goitre ?

A

-mass on neck that moves on swallowing
- autoimmune
- benign/malignant
- thyroiditis

17
Q

What is a hyxodema coma ?

A

Severe hypothyroidism resulting in a decompensated metabolic state + mental status
- bcs of long-standing untreated hypothyroidism

18
Q

Describe the physical nursing assessment done for hypothyroidism

A
  • head 2 toe :
    • head- depression/anxiety, malaise, fatigue, memory, hair thinning, puffy face
    • neck- hoarseness, goitre, swallow test
    • torso- muscle weakness, menstrual changes, abdo pain, dry skin, wgt gain, constipation
    • extremities- cold, clammy swelling
    • vitals- BP, HR, RR,Temp etc
      -wgt
  • monitor ECG 2 look for abnormal rhythm
19
Q

What are the blood tests done 4 hypothyroidism ?

A
  • thyroid function test
  • serum T4 + T3
  • T3 resin uptake test
  • TSH test
  • radioactive iodine uptake test
20
Q

What is the medication mgt in relation to hypothyroidism

A
  • oral meds given to replace missing hormones and return T3 +T4 bck to normal
  • eg. Thyroxine 50-100mcg/daily ]
    L-thyroxine
21
Q

What is the consequence of starting thyroxine replacement ?

A

Needs to be taken 4 rest of life
- reg blood tests done 2 monitor lvl of thyroid hormones

22
Q

What is the nursing mgt 4 hypothyroidism ( Alt nutrition)

A
  • small meals often
  • supplements
  • food chart and I&O chart
  • involve dietician
  • oral hygiene
23
Q

What is the nursing mgt for hypothyroidism ( Alt bowel habit)

A
  • stool chart
    -laxatives as prescribed
  • fibre, fruit + good fluid intake
  • monitor wgt gain
24
Q

What is the nursing mgt 4 hypothyroidism ( Alt skin integrity)

A
  • emollients as prescribed
  • check 4 skin breaks
  • do not use tap water when cleansing dry skin
  • no washcloth - rough texture can irritate
  • lightly pat dry
  • temp reg
25
Q

What is done in relation to activities lvl 4 hypothyroidism

A
  • balance between sedentary + mobile
  • take into acc pts exercise tolerance nd fatigue
26
Q

What is the most common cause of hypothyroidism ?

A

Hashimoto’s disease

27
Q

What is Hashimoto’s disease?

A
  • immune sys attacks thyroid
  • inflam 4rm hashimoto’s often leads 2 under active thyroid gland - hypothyroidism