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ER Heart Attacks and Respiratory Cases Jumped After L.A. Wildfires, Study Finds

The findings point to prolonged health risks from toxic smoke generated by urban wildfires.

Overview

  • In the 90 days after the January fires, Cedars-Sinai logged 46% more heart-attack visits and 24% more respiratory visits compared with the same period in prior years.
  • The peer-reviewed analysis, published in the Journal of the American College of Cardiology, examined ER data from a hospital roughly 10 miles from the Palisades burn zone and 20 miles from Altadena.
  • Researchers also found a 118% rise in atypical blood test results, indicating widespread metabolic stress that affected multiple organ systems.
  • Investigations throughout the year documented systemic response failures, including delayed evacuation orders in west Altadena linked to most local deaths, an offline Palisades reservoir, and hydrants that ran dry.
  • Rebuilding remains slow with roughly 12%–13% of destroyed homes permitted by December, as questions persist over utility maintenance, extreme wind conditions, and toxic residues identified in burned-area soils.