The Freakonomics Radio Book Club

30. Can A.I. Save Your Life?

18 snips
Jan 30, 2026
Pierre Elias, a cardiologist leading cardiovascular AI screening, and Bob Wachter, a medicine chair and author on AI in healthcare, discuss how AI is being deployed in hospitals. They explore ECG-based screening that spots hidden heart disease, AI scribes that restore doctor time, platform battles around EHRs, regulation challenges, and risks like clinician de-skilling.
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ANECDOTE

A Misread Abbreviation Altered A Patient's Record

  • Wachter recounts a chart error where 'PE' meant physical exam, not pulmonary embolism, and it stuck on the problem list.
  • He shows how imperfect human records can harm patients over decades.
INSIGHT

Scaling AI Screening Across Hospital Networks

  • Systematic screening can find diseases missed by standard workflows across many sites.
  • Pierre Elias built an institutional program to validate and deploy cardiovascular AI at scale.
ANECDOTE

A Missed Valvular Disease That Became Fatal

  • Elias recounts a man sent home twice who later arrived in multi-organ failure from severe valvular disease.
  • He uses the story to motivate early detection and screening efforts.
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