Spontaneous Coronary Artery Dissection in a Young Man
Bibliographic record
Abstract
Spontaneous coronary artery dissection (SCAD) is an idiosyncratic phenomenon by which a spontaneous separation of the intimal and medial layer in the coronary artery occurs with intramural hemorrhage in the absence of trauma. This intramural hematoma, in turn, leads to compression and occlusion of the arterial lumen. Unlike traumatic dissection of coronary arteries, more than half of SCAD heals spontaneously over time. SCAD is known to occur predominantly in women under the age of 50, particularly during pregnancy or peripartum period. Herein, we present a case of a 32-year-old man with an SCAD on the left anterior descending coronary artery. The discordance between clinical presentation and angiographic finding posed a unique challenge in therapeutic decision making. This case reminds clinicians that SCAD should be kept in mind as a differential diagnosis even for young men presenting with acute chest pain.
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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 | 0.002 |
| 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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".