Hypothyroidism

Question 1

Caused by destruction of thyroid tissue or defective hormone synthesis

Answer 1

Primary hypo

Question 2

Caused by pituitary disease (decreased TSH) or hypothalamic dysfunction or (decreased TRH)

Answer 2

secondary hypo

Question 3

Etiology

Answer 3

iodine deficiecny

Question 4

Clinical manifestations

Answer 4

Slow onset

Question 5

s/s hypo

Answer 5

Tired
Lethargic
Impaired memory
Low initiative
Weight gain

Question 6

CV problems

Answer 6

Decrease CO

Anemia

Question 7

What is increased for the CV system

Answer 7

serum cholesterol & triglycerides

Question 8

Respiratory problems

Answer 8

low exercise tolerance

SOB

Question 9

Neuro problems

Answer 9

Fatigue/lethargy
mood changes
Impaired memory
Slow speech
Decreased initative

Question 10

GI system problems

Answer 10

decreased appetite
N/V 
weight gain 
Constipation 
Enlarged, scaly tongue
Distended abdomen

Question 11

Integumentary system problems

Answer 11

Dry, thick, cold skin
Coarse hair
Poor turgor
Puffy face
Decreased sweating

Question 12

Hypo is more susceptible to

Answer 12

infection
Intolerance to cold
decreased hearing

Question 13

Myxedema coma is characterized by

Answer 13

i. Impaired consciousness
ii. Subnormal temperature (94-95 range), hypotension, hypoventilation
iii. Cardiovascular collapse
iv. Treated with IV thyroid hormone

Question 14

Studies done

Answer 14

TSH & Free T4

Thyroid antibodies

Question 15

TSH increases with

Answer 15

primary

Question 16

TSH decreases with

Answer 16

secondary

Question 17

What are high in studies?

Answer 17

Cholesterol
Triglycerides
Creatine kinase

Question 18

Treatments

Answer 18

Hormone therapy
Low calorie diet
Levothyroxine (Synthroid)

Question 19

Monitor what when taking levothyroxine?

Answer 19

Chest p!
weight loss
nervousness
tremors
insomnia

Question 20

Risk factors for hypo (6 things)

Answer 20

advancing age
type 1 diabetic
down syndrome
goiter
previous hyperthyroidism
radiation treatment

Question 21

Myxedema coma needs acute care

Answer 21

Respiratory support
Cardiac monitor
IV thyroid hormone replacement
monitoring core temp

Question 22

Pt teaching for hypo

Answer 22

written instructions
Lifelong therapy
Avoid stopping drugs abruptly
S/s

Question 23

do not do what with meds?

Answer 23

switch brands

Question 24

avoid what with hypo

Answer 24

sedatives or use lowest dose possible