The Hypothalamic, Pituitary Adrenal Axis In response to low serum cortisol or stress the hypothalamus secretes corticotropin releasing factor (CRF). In response to CRF the pituitary releases adrenocorticotropic hormone (ACTH). In response to ACTH the adrenal glands secrete cortisol … [Read more...] about S2 E033 Cushing’s Syndrome
Podcasts
S2 E032 The Parathyroid
Parathyroid There are four parathyroid glands located adjacent Produces parathyroid hormone (PTH) PTH increases calcium concentration in the bloodstream in response to low serum calcium Hyperparathyroidism Affects women 3:1 over men Primary Typically this is caused by … [Read more...] about S2 E032 The Parathyroid
S2 E031 Thyroiditis and Thyroid Cancer
Thyroiditis Inflammation of the thyroid Hashimoto’s thyroiditis Also known as chronic lymphocytic thyroiditis Subacute thyroiditis Also known as granulomatous thyroiditis, de Quervain’s thyroiditis and giant cell thyroiditis Thought to be caused by a virus. … [Read more...] about S2 E031 Thyroiditis and Thyroid Cancer
S2 E30 Thyroid hyper-hypo
Disorders of the Thyroid Hormones TSH = thyroid stimulating hormone Created and secreted by the anterior pituitary T4 = thyroxine T3 = triiodothyronine Primary caused by disease in the thyroid Secondary Caused by diseases in the hypothalamus or … [Read more...] about S2 E30 Thyroid hyper-hypo
S2 E029 Arteries
Aortic Aneurysm An abnormal widening or ballooning of a section of an artery due to weakness in the wall of the blood vessel. Abdominal aortic aneurysm is the most common place. Below the renal vessels and usually involving the bifurcation. < 3cm Usually men over 70 years … [Read more...] about S2 E029 Arteries
