Understanding the contribution of Guyton's large circulatory model to long‐term control of arterial pressure
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Bibliographic record
Abstract
With the publication in 1972 of a large computer model of circulatory control, Guyton and colleagues challenged the then prevailing views on how blood pressure and cardiac output were controlled. At that time, it was widely accepted that the heart controlled cardiac output and that peripheral resistance controlled arterial blood pressure. By incorporating the empirically demonstrated concepts of blood flow autoregulation and the pressure-natriuresis relationship into their mathematical model, Guyton and colleagues were able to develop a number of revolutionary concepts. Guyton's circulatory model was particularly instrumental in exploring the linkage between blood pressure and sodium balance and in demonstrating an overriding importance of renal salt and water balance in setting the long-term blood pressure level. In both the model and experimental data, any long-lasting imbalance between salt intake and salt excretion leads to a progressive alteration of the degree of filling of the vascular system and thus to parallel changes in blood pressure. In turn, changes in blood pressure alter sodium excretion, opposing the initial salt imbalance. Although Guyton's model does not include the most recent cardiovascular discoveries, the concepts underlying the basic functioning of the cardiovascular system can serve as a well-built basis for the development of new, large and integrative cardiovascular models.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it