Thyroid Troubles: Hyperthyroidism and Thyrotoxicosis
Thyrotoxicosis results from an excess of circulating free T4 and free T3. Hyperthyroidism indicates thyroid gland overactivity, resulting in thyrotoxicosis...
Thyrotoxicosis results from an excess of circulating free T4 and free T3. Hyperthyroidism indicates thyroid gland overactivity, resulting in thyrotoxicosis...
Hypothyroidism results from deficiency of thyroxine (T4) or tri-iodothyronine (T3). Common presenting symptoms include tiredness, lethargy, weight gain, cold intolerance...
Cushing's syndrome is the result of chronic exposure to excess glucocorticoid. This is most commonly iatrogenic secondary to glucocorticoid administration. Addison's disease is primary adrenocortical failure...
Presentation - 3Ps - Polyuria, Polydipsia, Polyphagia. Non-specific symptoms: weakness, vomiting, abdominal pain, blurry vision. Physical Exam: Acetone smell; Dehydration / tachycardia / hypotension / shock; Kussmaul's respiration (deep/labored breathing secondary to acidosis)
Thyroid overactivity in Graves’ disease results from formation of IgG antibodies that bind to and activate TSH receptors. Consequently, there is overproduction of hormone with cessation of TSH secretion. Graves’…
When glucocorticoid medication is suddenly withheld, the atrophic cortex is unable to produce sufficient cortisol and a potentially life-threatening cortisol deficiency may develop. Therefore, glucocorticoid therapy should always be tapered off by gradual reduction of the dosage.
Thyroid storm is an extreme version of hyperthyroidism with a mortality rate that approaches 30%, even with treatment. The recognition and management of thyroid storm can be difficult in the…
Diabetic ketoacidosis (DKA) is a critical metabolic derangement that is commonly precipitated by acute illness (i.e., infection, myocardial infarction, stroke) or medication noncompliance. Diabetic Ketoacidosis (DKA) - Summary (Diagnosis and…