28. diseases of the thyroid glands in dogs and cats Flashcards

1
Q

Types of canine hypothyroidism and what increaes/decreases:

A

Primary:
up TSH
down T2

Secondary:
down TSH
down T4

Tertiary:
down TSH
down T4
down TRH

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2
Q

Gold standard -diagnosis of hypothyroidism:

A

thyroid scintigraphy

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3
Q

Treatment of hypothyroidism:

A

L-thyroxine PO before food

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4
Q

Hypothyroidism in young animals are:

A

congenital or acquired

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5
Q

Congenital Hypothyroidism causes:

A

dygenesis
enzyme def
decreaed peroxidase
TSH unresponsive

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6
Q

acquired Hypothyroidism causes:

A

Iodine def

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7
Q

Hyperthyroidism occurs most often in

A

cats

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8
Q

Diagnosis of hyperthyrodism

A
thyroidectomy
l-thyroxine 
radiotherapy 
methimazole - but not good 
low iodine diet
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