Adrenal
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Adrenal conditions
Acute Adrenal Insufficiency (Adrenal Crisis)Acute Adrenal Insufficiency, or adrenal crisis, is a life-threatening failure of cortisol production causing hypotension and electrolyte imbalances requiring urgent treatment.PheochromocytomaPheochromocytoma is a rare tumor of adrenal medulla chromaffin cells causing excess catecholamine release, leading to hypertension, headaches, and sweating.Primary Adrenal Insufficiency (Addison's Disease)Primary Adrenal Insufficiency (Addison's Disease) is characterized by autoimmune destruction of the adrenal cortex leading to cortisol and aldosterone deficiency.Primary HyperaldosteronismPrimary Hyperaldosteronism is a disorder causing excess aldosterone production, leading to hypertension and low potassium levels due to adrenal gland overactivity.Secondary Adrenal InsufficiencySecondary adrenal insufficiency results from pituitary ACTH deficiency causing cortisol deficiency without aldosterone loss, often sparing electrolyte imbalance.Secondary HyperaldosteronismSecondary hyperaldosteronism is characterized by excess aldosterone due to increased renin activity, often caused by renal artery stenosis or heart failure.Tertiary Adrenal InsufficiencyTertiary adrenal insufficiency is caused by hypothalamic dysfunction leading to decreased CRH production, resulting in reduced ACTH and cortisol secretion.