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Ari B Friedman

@abfriedman.com
7.1K followers 554 following 569 posts

This is my personal account. Faculty at UPenn. Emergency doc, health economist, geriatrics and privacy researcher. Views are my own. RT does not imply endorsement.

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Ari B Friedman @abfriedman.com · 24/08/2026
Today 1pm EST: Dr. Maya Yiadom (Stanford EM) shares her expertise on Considering Equity in Clinical A.I. Validation. Real-world emergency examples show how differences affect model performance. www.coretalks.org Register here (free Zoom seminar): pennmedicine.zoom.us/meeting/regi...
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Ari B Friedman @abfriedman.com · 30/06/2026
Upcoming free talk from Penn CECPR 🚑️ Workplace violence against nurses, physicians, and staff in Emergency Departments Drs. K. Jane Muir and Anish Agarwal Monday, July 13th at 1pm EST 🚑️ Register for this talk: pennmedicine.zoom.us/meeting/regi... 🚑️ Future talks: www.coretalks.org
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Ari B Friedman @abfriedman.com · 17/06/2026
Next Care, Outcomes, and Reform of Emergency Systems Talk (www.coretalks.org) is @lorenadler.bsky.social , Friday, June 26th at 1pm EST. "Corporate Medicine in the ED: Staffing, Coding, and Patient Outcomes After Private Equity Entry." Register here: pennmedicine.zoom.us/meeting/regi...
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Ari B Friedman @abfriedman.com · 07/06/2026
Excited for our #ASHEcon panel TUESDAY 10:15am on natural experiments in acute care. Papers on decisionmaking in surgeon-anesthesiologist dyads, emergency attending peer dyads, and clustering of patient acuities. ashecon.confex.com/ashecon/2026...
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Ari B Friedman @abfriedman.com · 20/02/2026
In case you were wondering how good we are at detecting cognitive impairment in the ED absent a systematic approach to do so, here are clock draws from 63 patients discharged from a single ED. In @annalsofem.bsky.social : www.annemergmed.com/article/S019...
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Ari B Friedman @abfriedman.com · 05/02/2026
Free online CORE Talk (coretalks.org) tomorrow outlining Dr. Mashid Abir's vision for a 21st century U.S. health system optimally responsive to the needs of patients and communities. (registration link on website)
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Ari B Friedman @abfriedman.com · 27/01/2026
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Ari B Friedman @abfriedman.com · 27/01/2026
From my grandfather's story: "little by little"
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Ari B Friedman @abfriedman.com · 27/01/2026
From my grandmother's story: "One by one our good decent teachers disappeared and instead Nazi teachers replaced them."
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Ari B Friedman @abfriedman.com · 04/09/2025
Next CORE Talk (Care, Outcomes, and Reform of Emergency Systems): Dr. Laura Burke on "The Medicare Urgent Care Boom: Trends, Drivers, and Impacts" Visit coretalks.org to register for this talk and to signup for the newsletter.
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Ari B Friedman @abfriedman.com · 02/09/2025
We are excited to launch our new talk series: Care, Outcomes, and Reform of Emergency Systems (CORE) Talks. Free Zoom seminars on policy-relevant evidence about EDs, telemedicine, and urgent care. www.coretalks.org Today at 11a EST, Dr. Jesse Pines, “How AI May Transform Emergency Care.”
Dr. Jesse Pines stands in an emergency department room.
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Ari B Friedman @abfriedman.com · 29/06/2025
There's a new telescope this week. Dreamed up in 1998. NSF first funded it in 2005. Its camera sensor is measured in feet. It cost $2B. For that we learn about the universe and not get wiped out by an asteroid like the dinosaurs. We can do great things, when we dream, plan, work, and fund them.
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Ari B Friedman @abfriedman.com · 03/04/2025
If only there were people who spent their lives studying economies who could be consulted before making crucial decisions about the economy.
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Ari B Friedman @abfriedman.com · 02/03/2025
The sabotage of American scientific leadership continues.
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Ari B Friedman @abfriedman.com · 02/03/2025
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Ari B Friedman @abfriedman.com · 24/02/2025
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Ari B Friedman @abfriedman.com · 23/02/2025
Spent my lazy academic Sunday working on power analyses for a R01 proposal and 3d printing a bracket for a paper consent lockbox so we can do remote enrollment for my K.
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Ari B Friedman @abfriedman.com · 12/02/2025
Suddenly these became more relevant.
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Ari B Friedman @abfriedman.com · 02/02/2025
Walking in to work at the same time as my airborne colleagues. Stay safe everyone.
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Ari B Friedman @abfriedman.com · 30/01/2025
Today I sat 1 block from the NIH at a scientific conference and was unable to talk to my government scientific representatives.
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Ari B Friedman @abfriedman.com · 07/10/2024
Continued (deliberate) erosion of the norms that made our economy so effective in the 20th century. www.washingtonpost.com/politics/202...
Ethics experts said the episode is a potentially ominous preview of how a second Trump administration might use the enormous power the federal government wields over private industry to punish political acts by individual workers. Although federal contracting laws prohibit cutting off a business because of its workers’ private political views, such threats could have a chilling effect, they said.
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Ari B Friedman @abfriedman.com · 05/08/2024
Here’s a better datavis, taken from DuckDuckGo
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Ari B Friedman @abfriedman.com · 05/08/2024
Chart crime from the @nytimes.com
Chart showing seemingly precipitous stock market drop, with truncated axis
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Ari B Friedman @abfriedman.com · 14/05/2024
Extra cheating cc @mdaware.bsky.social
Chicago Museum of Contemporary Art exhibit with a tractor wielding a cat head-shaped wrecking ball on a chain.
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Ari B Friedman @abfriedman.com · 15/04/2024
How the research really gets done.
Research cart for an iPad I just completed, sitting in my sawdusty shop
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Ari B Friedman @abfriedman.com · 08/04/2024
Circular rainbow around sun during partial eclipse
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Ari B Friedman @abfriedman.com · 08/04/2024
Solar eclipse progress now
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Ari B Friedman @abfriedman.com · 07/04/2024
If you see this you have to post a picture from your phone but don’t explain it
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Ari B Friedman @abfriedman.com · 12/03/2024
Just had the library 3d print up a cric trainer. Very cool teaching aid, and a sign of medical education to come.
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Ari B Friedman @abfriedman.com · 08/12/2023
So when economists say we’re living in a very concentrated era…. www.axios.com/2023/12/08/a...
Axios infographic of which airlines consolidated to form the current big 5
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Ari B Friedman @abfriedman.com · 17/10/2023
For any grouping of hospitals we studied, abortion was almost never discussed on hospital websites compared to another common procedure performed by health systems, colonoscopy. doi.org/10.7326/M23-1389
Within subgroups defined by hospital size, profit orientation, and academic status, websites were at least 70 percentage points less likely to describe offering abortion compared with colonoscopy
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