Endocrine Flashcards
Cushing’s syndrome- what is it?
Normally, adrenal glands release cortisol. Prolonged abnormal elevation of cortisol.
Cushing’s syndrome symptoms
Weight gain
Depression
Insomnia
Amenorrhea
Hair growth
Acne
Moon face
frontal balding
Striae-stretch marks mainly on abdomen
Buffalo hump
Kyphsois- hunchback
Cushing’s syndrome causes
Excessive steroid use
Can also be cause by a tumour that secretes the hormone
Cushing’s management
Patient- reduce steroid dose or stop taking it at all
If the cause is a tumour we’ll have to do surgery to remove the tumour OR radiotherapy to destroy the tumour OR medications to reduce the effects of cortisol on the body, eg ketconazole
Cushing’s complications
Bone loss
Hypertension
T2DM
Frequent infections
Loss of muscle mass
Addison’s - what is it?
When the immune system attacks the adrenal gland dmging it therefore it doesn’t produce enough cortisol or aldosterone
Addison’s signs and symptoms
Fatigue
Weakness
Thirst
Hyperpigmentation- bronze
Hyponatraemia and hyperkalaemia
Addison’s management
Replace the missing hormones- hydrocortisone and fludrocortisone lifelong
Addison’s complications
Risk of sudden worsening of symptoms- Adrenal cfrisis
Medical emergency
Can be fatal if untreated
Call 999 if severe worsening of symptoms
Hyperthyroidism- what is it?
thyroid is a small organ in front of windpipe. Normally produces thyroxine which controls various processes in your body eg heart rate and temperature control.
Hyperthyroidism is when your gland produces too much hormone producing symptoms like palpitations, weight loss, sweating, heat sensitivity, swelling in neck
Hyperthyroidism causes
Graves- immune system attacks thyroid causing overactivity.
Thyroid nodules- modules form on gland causing more production and release of thyroxine
Medications- certain iodine containing meds eg amiodarone can cause overactive thyroid
Hyperthyroidism treatment
Carbimazole- stops thyroid from producing excess hormones. May take 1-2 months to notice change so will be given a B blocker symptom relief. Complete remission and ability to stop taking it is usually achieved within 18 months, however some need to take for years/life.
Radioiodine drink in hospital- destroys some of the thyroid tissue. Will need to avoid prolonged contact w/ children or pregnant women for a few days. May need artificial thyroxine treatment after.
Surgery- remove thyroid whole or toxic nodules. Levothyroxine given lifelong after
Hyperthyroidism complications
Graves- can affect eyes- reduction in eye movement and bulging of the eyes- leading to vision loss
Thyroid storm- severe hyperthyroidism
What is hypothyroidism
Not enough thyroid hormones produced-> symptoms like tiredness, weight gain, depression
What causes hypothyroidism
Usually caused by immune system attacking the thyroid gland meaning not enough thyroid hormones is produced. Can laso be linked to viral infections and certain drugs (eg lithium, amiodarone)