Erstellt von Bhavi Mistry
vor mehr als 11 Jahre
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Frage | Antworten |
Cushing's syndrome | Chronic glucocorticoid excess |
Cushing's syndrome: signs | Striae Buffalo hump Hyperglycaemia Hirsutism + Moon face Poor wound healing |
Cushing's syndrome: causes | Exogenous steroid use Disease (ACTH pituitary tumour, bilateral adrenal hyperplasia) Ectopic ACTH tumours Adrenocortical adenoma (ACTH independent) |
Dexamethasone suppression test: | If taken the night before should --> decrease in cortisol levels, but there's only partial suppression in cushing's. Dex suppression only occurs at high levels. |
Adrenocortical deficiency | Deficient production of glucocorticoids/mineralocorticoids |
Addison's disease | Destruction of adrenal cortex Primary adrenocortical deficiency Low mineralocorticoids and glucocorticoids |
Deficient pituitary ACTH | Secondary adrenocortical deficiency Mineralocorticoids normal Glucocorticoids low |
Addison's disease symptoms: | Weakness and fatigue anorexia Buccal hyperpigmentation Salt craving Amenorrhea, less armpit hair |
Therapeutic use of glucocorticoids | Replacement therapy (Addison's) Inflammatory disease Neoplastic disease Immunosuppression |
Consequences of exogenous steroid use | Suppression of HPA axis and atrophy of adrenal cortex |
Conn's syndrome (primary hyperaldosteronism) | Hypokalaemia Hypertension Weakness and fatigue Headache Low plasma renin and high aldosterone |
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