Radiofrequency catheter ablation of a concealed accessory pathway of the heart in a Labrador Retriever
Bibliographic record
Abstract
The presence of an accessory atrioventricular conduction pathway may provide the anatomical basis for some tachyarrhythmias. Persistent tachyarrythmias may result in the development of systolic dysfunction or tachycardiomyopathy and eventual progression to heart failure. In this paper we report the successful ablation of an accessory pathway involved in the pathogenesis of persistent orthodromic atrioventricular reciprocating tachycardia (AVRT) and heart failure in a 3-year-old male Labrador retriever. Electrophysiological study and radiofrequency (RF) catheter ablation were performed under general anesthesia. Electrophysiological study revealed AVRT resulting from a retrograde conduction via a right posteroseptal accessory pathway. The successful RF ablation of the accessory pathway resulted in the resolution of the tachycardia and return of normal sinus rhythm. Medical management of heart failure was withdrawn and no episodes of recurrent tachyarrhythmia were documented during a 3-month follow-up.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".