Aneurysmal dilatation of the right auricle in two dogs
Bibliographic record
Abstract
A n 8-year-old male sexually intact Golden Retriever was evaluated at the Veterinary School of the University of Glasgow because of a history of collapse during exercise. Two months previously, the dog had fallen from a high wall onto concrete. On clinical examination, the dog was alert and in good body condition. The heart rate was 180 beats/min and the rhythm was irregularly irregular. The respiratory rate was 15 breaths/min, and there was no dyspnea at rest. The femoral pulses were strong, and there was a marked pulse deficit; mucous membranes were pink with prompt capillary refill. On thoracic auscultation, no abnormalities were detected. Thoracic radiography revealed an enlarged cardiac silhouette with a prominent bulge in the area of the right auricle (Figure Echocardiography revealed atrial fibrillation, but cardiac function was within normal limits, and no valve regurgitation or stenosis was detected; there was marked right atrial dilatation that could not be delineated entirely because of lung interference. The dog was treated with digoxin a (0.25 mg, PO, q 12 h) to reduce the ventricular rate in response to atrial fibrillation and aspirin b (450 mg, PO, q 24 h) to reduce the risk of thrombus formation in the right atrium, although the efficacy of the latter treatment is unproven. To confirm the presence and extent of the bulge, nonselective venography via the right jugular vein and a contrast-medium-enhanced axial com-puted tomographic scan were performed under anesthesia (Figure Both evaluations revealed that the right auricle was markedly enlarged and had thin walls. To obtain a definitive diagnosis and pursue possible treatment options, an exploratory thoracotomy was performed. During this procedure, a defect in the pericardial sac (through which the right auricle and part of the right atrium had herniated) was identified. The epicardial surface of the herniated portion was roughened and granular. A subphrenic pericardectomy was performed. The dog recovered from anesthesia without complications and was discharged from the hospital 5 days later. The owners were instructed to continue the administration of digoxin and aspirin at the aforementioned dose. During a follow-
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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 | 0.001 | 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".