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HYPOKALAEMIC ALKALOSIS |
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renal loss [urine K > 20mmol/24hrs in spite of hypokalaemia < 3mmol/l]: |
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adrenal tumours [high BP]diuretics (loop and thiazides) |
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elevated ACTH: |
paraneoplastic pituitary adenoma [Cushing's disease] |
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gastrointestinal loss [low urine K]: |
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laxative abuse villous adenoma persistent vomiting [especially pyloric stenosis; urine pH may be low (acid) and K high due to secondary hyperaldosteronism] |
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