Canine Hypothyroidism Flashcards
1
Q
Thyroid Gland
Synthesis
A
Synthesizes hormones that incorporate iodine
* thyroxine (T4)
* triiodothyronine (T3)
2
Q
Thyroid Gland
Hormone Effects
Physiologic
A
Increase
* metabolic rate
* HR
* oxygen consumption
* erythropoiesis
* catecholamine response
3
Q
Thyroid Gland
Hormone Effects
Tissue
A
Catabolic effects on tissues
* muscle
* adipose
4
Q
Hypothyroidism
C/S
A
- Weight Gain / Obesity
- Lethargic
- Alopecia - bilaterally symmetric
- Skin disease
5
Q
Hyperthyroidism
Diagnosis
A
Preferred screening test: Serum total T4
* confirm low total T4 with additional testing
* euthyroid sick syndrome - suppresed thyroid function, but non-thyroid illness
6
Q
Hypothyroidism
Treatment
A
Levothyroxine
* oral medication
* monitor levels after beginning and during treatment
