# Podcast 997: D-Dimer Page: https://stenobird.com/podcast/emergency-medical-minute-972156/podcast-997-d-dimer Text version: https://stenobird.com/podcast/emergency-medical-minute-972156/podcast-997-d-dimer.md Podcast: [Emergency Medical Minute](https://stenobird.com/podcast/emergency-medical-minute-972156) Published: 2026-03-09T04:37:00+00:00 Episode link: https://emergencymedicalminute.libsyn.com/podcast-996-d-dimer Audio file: https://traffic.libsyn.com/secure/emergencymedicalminute/D-dimer.m4a?dest-id=465437 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/emergency-medical-minute-972156/episodes/podcast-997-d-dimer Duration seconds: 121 ## Resource Contributor: Travis Barlock, MD Educational Pearls: D-dimer: fibrin degradation product used to evaluate for clot formation and breakdown Threshold: Elevated D-dimer indicates recent or ongoing intravascular coagulation and fibrinolysis YEARS score: algorithm to assess PE risk using three clinical criteria Criteria: signs of DVT, hemoptysis, and PE as the most likely diagnosis YEARS score of 0 with D-dimer YEARS score of ≥1 with D-dimer A study found that YEARS score accurately predicted the presence or absence of PE in 80% of enrolled patients with 90% sensitivity and 65% specificity D-dimer may also help exclude aortic dissection: Aortic Dissection Detection Risk Score (ADD-RS) When ADD-RS = 0 or 1 and D-dimer When ADD-RS >1, patients are considered high probability for aortic dissection and CT should be performed References Fayiad, H., Moussa, H., Nosair, Y. et al. Predictive accuracy of years score in diagnosis of pulmonary embolism. Egypt J Bronchol 18, 18 (2024). https://doi.org/10.1186/s43168-024-00269-y Weitz JI, Fredenburgh JC, Eikelboom JW. A Test in Context: D-Dimer. J Am Coll Cardiol. 2017 Nov 7;70(19):2411-2420. doi: 10.1016/j.jacc.2017.09.024. PMID: 29096812. Yichao Ma,Zhenjiang Ding,Yunong Zhao,Paijiao Zhang,Bo Du,Ye Shen,Junmei Hu,Luqi Zhu,Honghong Zhao,Chunrong Jin,Yuhong Wang,Lizhen Gao,Research progress on multi-marker detection technology for cardiovascular diseases (review), Journal of Electroanalytical Chemistry, 1008, (119969), (2026). Summarized by Meg Joyce, MS2 | Edited by Meg Joyce & Jorge Chalit, OMS4 Donate : https://emergencymedicalminute.org/donate/ ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/emergency-medical-minute-972156/episodes/podcast-997-d-dimer/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/emergency-medical-minute-972156/podcast-997-d-dimer.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.