Hypothyroidism Flashcards
1
Q
What is primary hypothyroidism?
A
Reduced thyroid hormone produced by the thyroid
2
Q
What causes primary hypothyroidism?
A
Hashimoto’s
Atrophy of thyroid
Iodine deficiency
3
Q
What is secondary hypothyroidism?
A
Low thyroid hormone caused by hypothalamus/pituitary dysfunction
4
Q
What causes secondary hypothyroidism?
A
Hypopituitary
Hypothalamus disease
5
Q
What is the pneumonic for hypothyroidism symptoms?
A
BRADYCARDIC
6
Q
What are the symptoms of hypothyroidism?
A
Bradycardia Reduced reflexes Ataxia Dryskin Yawning CCF Ascites Round face Defeated demeanour Immobility Cold hands
7
Q
What is myxedema?
A
Swelling caused by glycosaminoglycans
8
Q
What is the appearance of myxedema?
A
‘Orange peel’ oedema
9
Q
How is hypothyroidism managed?
A
Levothyroxine
10
Q
What is a myxedema coma?
A
Hypothyroid state before death
11
Q
How is myxedema coma managed?
A
Give T3 then T4
Hydrocortisone
IV fluids
