Thyroid gland test

Question 1

What are the symptoms of increase in T3 and T4?

Answer 1

Increased HR, Intolerance to heat, loss of weight and tremors.

In severe cases: Protrudent eyes

Question 2

What are the symptoms of decrease in T3 and T4?

Answer 2

Laziness, constipation, Intolerance to heat, Inc in weight and disturbance of period.

Question 3

Describe the communication between hypothalamus, pituitary gland and thyroid gland

Answer 3

Hypothalamus controls pituitary gland by TRH, while the pituitary gland controls the thyroidngland by TSH.

(By + and - feedbacks)

Question 4

What are the types of problems in the thyroid gland?

Answer 4

Primary: when the problem is in the thyroid gland

Secondary: when the problem is in other regions (hypothalamus or pituitary)

Question 5

• Increased T3 and T4
• Decreased TSH

What might be the diagnosis?

Answer 5

Primary hyperthyroidism

Question 6

• Increased T3 and T4
• Increased TSH

What might be the diagnosis?

Answer 6

Secondary hyperthyrodism

Question 7

• decreased T3 and T4
• Increased TSH

What might be the diagnosis?

Answer 7

Primary hypothyroidism

Question 8

• Decreased T3 and T4
• Decreased TSH

What might be the diagnosis?

Answer 8

Secondary hypothyroidism

Question 9

• T3 and T4 at the higher end
• Decreased TSH “trying to compensate for the increase in T3 and T4”

What might be the diagnosis?

Answer 9

Subclinical hyperthyrodism

Question 10

• T3 and T4 at the lower end

- Increased TSH “trying to compensate to the decrease in T3 and T4”

Answer 10

Subclinical hypothyroidism