What Is the Easiest Way to Remove a Knotted Swan-Ganz Catheter?
Bibliographic record
Abstract
BACKGROUND: Swan-Ganz catheters are routinely used for monitoring of critically ill patients. These catheters can become knotted during the process of insertion, which can pose a challenge for removal. CASE SUMMARY: A 63-year-old man underwent placement of a Swan-Ganz catheter, which was knotted and could not be removed. Ultimately, removal was achieved by tightening the knot in the Swan-Ganz catheter against the inlet of its sheath. The catheter and sheath were then pulled together out of the skin in a single motion. DISCUSSION: Multiple methods have been described to remove such knotted catheters although no consensus exists. TAKE-HOME MESSAGE: A knotted Swan-Ganz catheter can be safely removed by tightening the knot against the inlet of its sheath to reduce the knot size and then simply pulling the catheter and sheath together out of the skin.
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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 | 0.002 | 0.011 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.002 | 0.007 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.006 | 0.005 |
| Insufficient payload (model declined to judge) | 0.008 | 0.006 |
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".