Hypothyroidism Flashcards
1
Q
Patho of Hypothyroidism
A
- TH production decreases
- Thyroid gland enlarges in attempt to produce more hormone
- hypothyroid state leads to myxedema
2
Q
myxedema
A
swelling of the skin and underlying tissues giving a waxy consistency, typical of patients with underactive thyroid glands.
3
Q
Primary etiology of Hypothyroidism
A
-defects in gland (congenital), loss of thyroid tissue, antithyroid meds, thyroiditis, endemic iodine deficiency
4
Q
Secondary etiology of hypothyroidism
A
- pituitary TSH deficiency or peripheral resistance to TH
- medications can cause
- common in women 30-60 yrs
5
Q
Risk factors for hypothyroidism
A
- women older than 50
- relatives with autoimmune disorders
- hx of thyroid surgery
- radiation of neck
- iodine deficiency
- hashimoto thyroiditis
6
Q
Hashimoto Thyroiditis
A
- common cause of goiter and primary hypothyroidism
- Autoimmune disorder
7
Q
Hashimotos Clinical Manifestations
A
- fatigue and sluggishness
- weight gain
- difficulty swallowing
- pale, dry skin
- puffy face
- constipation
- depression
- slowed HR
- feeling cold
- jt and muscle pain
- difficulty getting pregnant
- irregular or heavy menstruation
8
Q
Hypothyroidism Clinical Manifestations
A
- slow onset
- goiter
- fluid retention and edema
- decreased appetite, weight gain
- constipation
- dry skin
- dyspnea
- pallor
- muscle stiffness
- decreased taste,smell
- menstrual disorder
- anemias
- cardiac enlargement
- abnormalities in lipid metabolism
9
Q
Myxedema Coma
A
untreated hypothyroidism triggered by factors
- life threatening
- severe metabolic disorder
10
Q
Myxedema Coma precipitated by…
A
- trauma
- CNS depressants
- failure to take med
- infection
- exposure to cold
11
Q
Pharm Tx of Hypothyroidism
A
-Replace TH
Levothyroxine
12
Q
Hypothyroid Health Hx
A
- onset, severity of symptoms
- diet, use of iodized salt
- pituitary dz
- tx of hyperthyroidism
13
Q
Hypothyroid Physical Assessment
A
- muscle strength, deep tendon reflexes
- VS, Cardio, integument
- thyroid gland, weight
14
Q
Hypothyroid Planning
A
- pulse and BP
- arrhythmias controlled
- skin remains intact, warm, dry
- free of edema
- activities resumed with normal HR
- elimination pattern returns to normal
15
Q
Hypothyroidism Implementation
A
- Monitor Cardiac output
- prevent constipation
- encourage fluid intake of 2000mL/day
- high fiber
- increase activity
- maintain skin integrity
