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GP > Thyroid Issues > Flashcards

Thyroid Issues Flashcards

1
Q

What are the risk factors for Hypothyroid?

A

Obesity
PCOS
Depression
Fibroids

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2
Q

What are the symptoms of hypothyroid?

A 
Brittle hair
Tired all the time
Heavy periods
Constipation
Low Mood
Goitre
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3
Q

What investigations would you do in someone who is ‘tired all the time’?

A 
FBC
ESR/CRP
WCC
LFT
U E
IgA
TTG
TFT
Fasting glucose
HbA1c
PHQ9 (depression)
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4
Q

What is the other name for hypothyroidism?

A

Myxoedema

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5
Q

What are the causes of hyperthyroidism?

A

Graves
Amiodarone
Thyroiditis

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6
Q

What symptoms does hyperthyroid present with?

A 
Weight loss
Tremor
Palpitations
Hyperactivity
AF
Eye changes
Infertility
Alopecia
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7
Q

What treatments are there for hyperthyroidism?

A
  • BBs *(symptom control until drugs set in)
  • Carbumazole
  • Radioactive 131 I
  • Surgery- partial or total thyroidectomy (reserve for those with large goitres)
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8
Q

What should you warn all patients on carbimazole?

A

Stop if any sore throat or infection

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9
Q

What is the mechanism of action of carbimazole?

A

Inhibits synthesis of thyroid hormones (given short term before surgery or long term but high relapse rate)

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10
Q

What is the issue with 131 I?

A

Takes 3-4 months to be effective.

Cannot be taken with Carbimazole

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11
Q

What are risk factors for a thyrotoxic storm?

A

Recent thyroid surgery or radioactive iodine
Infection
Trauma
MI

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12
Q

How does a hyperthyroid crisis present?

A 
Fever
Agitation
Coma
Tachycardia/ AF
D + V
Acute abdomen
Goitre/ thyroid bruit
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13
Q

What do you do in a thyrotoxic storm?

A

Admit to hospital.

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14
Q

What is Grave’s disease?

A

The most common form of hyperthryoidism

Autoimmune antibodies to TSH receptors

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15
Q

What is Grave’s associated with?

A

Smoking

Stressful life events

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16
Q

What are the features of Graves?

A

Bruit
Hyperthyroidism
Thryoid eye disease

17
Q

What is involved in thyroid eye disease?

A 
Double vision
Eye protrusion (exopthalmus and proptsosis)
Lid lag
Opthalmoplegia of upwards gaze
TFTs can be normal or raised
18
Q

What is the blood results of throtoxicosis?

A

Low TSH, high T4

19
Q

What is the blood result of Hypothyroid?

A

Hi TSH, Low T4

20
Q

What do you do with thyroid eye disease?

A

Refer to opthalmologist

URgent is losing colour vision or acuity as nerve involved

21
Q

What are the causes of hypothyroid?

A

Chronic autoimmune thyroiditis
Post 131 I treatment
Post thyroidectomy

22
Q

How do you treat hypothyroid?

A

Levothyroxine life long

GP (9 decks)

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