dromlakhani

Recommends withdrawing interfering medications and repeating aldosterone-to-renin ratio screening when initial screen is negative but clinical suspicion remains due to hypokalemia or medication interference. Trigger phrases include "initial screen negative", "hypokalemia", "resistant hypertension", and use of MRAs, ACE inhibitors, ARBs, beta-blockers, clonidine, or alpha-methyldopa.

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Selects the aldosterone-to-renin ratio (ARR) method over hypokalemia for screening hypertensive patients for primary aldosteronism. Use when a clinician asks what test to use for screening hypertensive patients with resistant hypertension or unexplained hypokalemia for PA.

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Determines whether to add a mineralocorticoid receptor antagonist (e.g., spironolactone or eplerenone) to glucocorticoid therapy in glucocorticoid-remediable aldosteronism when blood pressure fails to normalize with glucocorticoid alone. Triggered by persistent hypertension or inadequate BP control despite optimized glucocorticoid dosing in GRA patients.

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Differentiates aldosterone-producing adenoma from idiopathic adrenal hyperplasia based on 18-hydroxycorticosterone levels, with APA patients generally having levels >100 ng/dL at 8:00 a.m. and IAH patients usually having levels <100 ng/dL. Use when reviewing 18-OHB test results to help subtype PA; triggers include 18-OHB >100 ng/dL (suggesting APA) or <100 ng/dL (suggesting IAH).

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Helps distinguish unilateral from bilateral adrenal disease based on 18-oxocortisol levels, which are typically higher in aldosterone-producing adenoma than idiopathic adrenal hyperplasia. Use when evaluating 18-oxocortisol results during PA workup to guide subtype classification after a positive ARR.

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Determines unilateral vs bilateral aldosterone excess based on cortisol-corrected aldosterone ratios from adrenal venous sampling, with ratio >4:1 indicating unilateral excess, ratio 3:1 suggestive of bilateral hypersecretion, and interpretation dependent on cosyntropin stimulation protocol used during sampling. Use when analyzing AVS results to guide surgical vs medical treatment decisions; triggers include 'AVS lateralization ratio', 'cosyntropin-stimulated AVS', 'aldosterone-to-cortisol ratio >4:1', and 'ratio 3:1 suggestive of bilateral disease'.

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Evaluates likelihood of primary aldosteronism by measuring plasma aldosterone suppression after oral captopril; normal suppression ≥30% makes PA unlikely, while lack of suppression with persistently suppressed plasma renin activity suggests PA. Use when assessing captopril challenge test (CCT) results for PA diagnosis in patients with positive aldosterone-to-renin ratio.

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This skill interprets the oral sodium loading test for primary aldosteronism by evaluating 24‑hour urinary aldosterone excretion after a high‑sodium diet. Use when reviewing results of an "oral sodium loading test" for PA diagnosis; trigger phrases include "urinary aldosterone excretion ≤10 g/24 h" (PA unlikely) or "≥12 g/24 h (Mayo) / ≥14 g/24 h (Cleveland)" (PA highly likely).

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Screen a child aged 13+ with obesity for eligibility for bariatric surgery (laparoscopic sleeve gastrectomy or Roux-en-Y gastric bypass) using the CMAJ 2025 guideline. Trigger when a clinician asks whether a child qualifies for weight loss surgery, bariatric surgery in adolescents, sleeve gastrectomy in a teenager, or when to refer for surgical management of pediatric obesity.

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Suggests avoiding synthetic, long-acting glucocorticoids (e.g., prednisolone, dexamethasone) in children with primary adrenal insufficiency (PAI). Use when selecting glucocorticoid replacement for a child with PAI to prevent Cushingoid side effects and dose titration difficulties.

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Recommends against dexamethasone for glucocorticoid replacement in primary adrenal insufficiency (PAI) due to risk of Cushingoid side effects from difficult dose titration. Use when selecting a glucocorticoid for PAI management to avoid iatrogenic Cushing syndrome.

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Suggests periodic screening for autoimmune diseases known to be more prevalent in PAI patients in whom autoimmune origin of PAI has not been excluded; optimal frequency unknown but can be done annually. Use when determining screening schedule for PAI patient with uncertain autoimmune origin.

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This skill guides annual evaluation of patients with primary adrenal insufficiency (PAI) for symptoms and signs of glucocorticoid and mineralocorticoid over- or under-replacement. Use during annual follow-up when assessing for weight changes, blood pressure abnormalities, edema, or symptoms such as fatigue, insomnia, or salt craving.

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This skill suggests using prednisolone as an alternative glucocorticoid when hydrocortisone is unavailable for emergency treatment of adrenal crisis. Dexamethasone is the least-preferred option and should only be administered if no other glucocorticoid is available.

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Suggests adjusting glucocorticoid dose according to severity of illness or magnitude of the stressor in patients with primary adrenal insufficiency. Use when patient with PAI has intercurrent illness, fever, or stress.

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This skill suggests initiating antihypertensive treatment while continuing fludrocortisone when blood pressure remains uncontrolled after fludrocortisone dose reduction. Trigger phrases include "BP remains uncontrolled," "persistent hypertension," or "elevated BP despite fludrocortisone adjustment."

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Recommends measurement of plasma ACTH to establish primary adrenal insufficiency (PAI) diagnosis in patients with confirmed cortisol deficiency; a plasma ACTH concentration ≥2-fold the upper limit of the reference range supports PAI. Use when evaluating plasma ACTH in a patient with low morning cortisol or abnormal corticotropin stimulation test.

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Recommends adjusting glucocorticoid doses on the day of surgery based on illness severity and magnitude of surgical stress. Triggers when managing a patient requiring surgery needing perioperative glucocorticoid management, such as "patient on HC for central AI undergoing major abdominal surgery" or "patient with hypopituitarism scheduled for minor procedure".

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Recommends against using a random cortisol level to diagnose adrenal insufficiency. Triggers when considering a random cortisol test for AI evaluation (e.g., "random cortisol measurement being considered for AI diagnosis").

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Suggests administering 25-75 mg hydrocortisone per 24 hours for 1-2 days in patients with adrenal insufficiency undergoing minor to moderate surgical stress. Triggers include patient undergoing minor to moderate surgery with known or suspected adrenal insufficiency.

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Administers 100-mg hydrocortisone IV bolus followed by continuous IV infusion of 200 mg HC per 24 hours (alternatively 50 mg IV every 6 hours) for patients undergoing major surgical stress. Use when managing patient with major surgical stress; triggers include patient undergoing major surgery.

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Recommends using the lowest tolerable hydrocortisone dose to potentially decrease risks of metabolic and cardiovascular disease in central adrenal insufficiency. Triggers include managing a patient with central adrenal insufficiency requiring glucocorticoid replacement.

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Suggests using longer-acting glucocorticoids when standard hydrocortisone regimens are impractical due to nonavailability, poor adherence, or need for once-daily dosing. Triggers include glucocorticoid replacement therapy decisions where patients report difficulty with multiple daily doses, lack of access to hydrocortisone, or preference for simplified regimens.

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Recommends performing biochemical testing for HPA axis at least 18-24 hours after last hydrocortisone dose or longer for synthetic glucocorticoids. Use when scheduling HPA axis testing in glucocorticoid-treated patient needing assessment of adrenal reserve.

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