Possible mechanisms to explain the absence of hyperkalaemia in Addison's disease
Bibliographic record
Abstract
In a patient with Addison's disease, the major clinical manifestations are due to a lack of glucocorticoid and mineralocorticoid hormonal actions. The combination of hyponatraemia, hyperkalaemia, mild hyperchloraemic metabolic acidosis, and modest elevations in the plasma creatinine, BUN, and haematocrit are classical findings [1]. Although almost one‐third of a large series of patients with Addison's disease did not have hyperkalaemia on admission [2], insufficient data were provided to ensure that there was a deficiency of aldosterone and that the intake of potassium (K+) was not abnormally low. Because Addison's disease is a chronic condition, all the K+ ingested must be excreted to maintain a steady state. To have the needed urinary K+ excretion in the absence of aldosterone, hyperkalaemia is usually required [3]. The absence of hyperkalaemia could be anticipated if there were an isolated deficiency of cortisol or if there were another reason for excessive renal excretion of K+ (e.g. protracted vomiting) [4] or an acute shift of K+ into cells.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.003 | 0.001 |
| Science and technology studies | 0.001 | 0.004 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.003 | 0.002 |
| Research integrity | 0.006 | 0.003 |
| Insufficient payload (model declined to judge) | 0.009 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".