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# Conn's syndrome - Whole blood and components

## Essential information

Excludes

  Secondary hyperaldosteronism

Obligatory

  Must not donate.

Discretionary

  If donor has undergone surgery for a benign adrenal tumour (adenoma), the donor is fully recovered, has been discharged from follow-up and is not on medication for Conn's syndrome, accept.

## Supporting information

See if relevant
  - Blood pressure, high
  - Diuertics
Additional information

  Conn's syndrome (primary hyperaldosteronism) is caused by overproduction of aldosterone in the adrenal cortex. Aldosterone is a hormone that regulates potassium and sodium levels, as well as fluid balance in the body, thereby maintaining blood volume and blood pressure, helping the body to control stress and maintain a steady metabolic state and normal electrolyte balance.

  Secondary hyperaldosteronism is caused by increased adrenal production by medical conditions outside the adrenal gland which stimulates the renin-angiotensin-aldosterone mechanism.

Version details:

  WB-DSG Edition 203 Release 01 (01 June 2010)

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