Thyroid Disease Flashcards
Bruit?
Extreme amounts of blood flowing through thyroid
Retrosternal goitre causes?
Deviation of trachea
How many people have thyroids checked?
1 in 4
Thyroid autoantibodies?
Anti TPO AB thyroid peroxidase- adds iodine to thyroglobulin.
TSH receptor TRAB
Symptoms of hypothyroidism?
Lethargy, mild weight gain, cold intolerance, constipation, facial puffiness, dry skin, hair loss, hoarseness and heavy menstrual periods
Severe hypothyroidism?
Stupor or coma, median nerve compression, ascites etc
Causes of hypothyroidism?
- Autoimmune
- Iatrogenic
- Iodine deficiency
- Congenital hypothyroidism
- Drugs
- Thyroditis
Addict
Secondary hypothyroidism hormone level?
TSH, T3 and T4 low
Treat of hypothyroidism?
T4 100 micro gram daily
If old and ishchaemic heart disease, start at 25 to 50
Myxedema?
Accumulation of glycosaminoglycans in interstitial space of tissues, severe hypothyroidism
Symptoms of thyrotoxicosis, hyperthyroidism?
Weight loss, increased appetite, lack of energy, thirst, palpitations, heat intolerance, anxious irritable, oligomenorrhoea
Signs of thyrotoxicosis?
Tremor, warm moist skin, tachycardia, brisk reflex, eye signs, thyroid bruit, muscle weakness and atrial fibrillation
Thyroid eye disease?
20% of people with Graves’ disease
TED symptoms?
Itchy, dry eyes, prominent eyes.
Diplopia (double vision), loss of colour vision, redness and swelling of conjunctival unable to close eyes, tightness behind eye
Inflammation of all orbital tissues except eye
Proptosis?
Pushing forward of eyes
Opthamolplegia?
When eyes don’t move smoothly
Causes of thyrotoxicosis?
- Graves- accounts for 75%
- Toxic multinodular goitre
- Toxic adenoma
- Thyroiditis
- Drugs (amiodarone )
What % of hyperthyroidism is graves?
75