Hemodialysis Catheter Tip Embolization in the Right Pulmonary Vasculature: Report of a Cardiac Arrest
Bibliographic record
Abstract
A 44 year old woman on hemodialysis presented a sudden cardiorespiratory arrest at the end of an otherwise uneventful dialysis session. It occurred while disconnecting the circuit from her tunneled catheter. She was reanimated and then transferred to the intensive care unit; the endotracheal intubation had been difficult, and she had been severely hypoxic. It was noted that the external venous clamp of the tunneled catheter was broken and the hypothesis of a break during the reanimation process was entertained. The routine chest x-ray postintubation showed that the tip of the catheter was ruptured and visible in one branch of the right pulmonary artery. The catheter was changed over a guide wire, and the broken catheter was sent for analysis to the manufacturer. A selective angiography of the right pulmonary artery was performed with the purpose of removing the fractured catheter tip but was unsuccessful. The patient recovered neurologic function slowly over the next 4 months. The exact etiology of the arrest remains incompletely understood; it is unknown whether it was caused by the catheter tip embolization or if an air embolism occurred.
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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 | 0.004 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.006 | 0.003 |
| 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".