Arrhythmogenic cardiomyopathy presenting as an inflammatory cardiomyopathy: the role of 18F-fluorodeoxyglucose positron emission tomography scan
Bibliographic record
Abstract
A 56-year-old man was admitted with exercise-triggered ventricular tachycardia (VT) of left bundle branch block morphology and inferior axis at 214 bpm. He had a strong family history of sudden death and heart transplantation. Electrocardiogram showed low voltages in limb leads, inferolateral T-waves inversion, and normal cardiac conduction. Coronary angiogram was normal. Cardiac magnetic resonance (CMR) showed a mildly dilated right ventricle (RV: 116 mL/m2), with moderate dysfunction (RV ejection fraction of 37%) associated with regional free wall akinesia and dyskinesia and apical hypokinesia. The left ventricle (LV) globally had normal function and volumes but showed areas of late gadolinium enhancement and lateral and inferior wall thinning (Panels A–D, Supplementary data online). The 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) demonstrated a hypermetabolic focus in the inferior LV and apex compatible with cardiac sarcoid. Consequently, prednisone (0.5 mg/kg/day p.o.) was started with remission...
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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 | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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".