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Updated: Aug 20, 2026

Acute Myocardial Infarction in Rats
Published on: February 16, 2011
The 1999 Ji-Ji (Taiwan) earthquake as a trigger for acute myocardial infarction
Ching-Hong Tsai1, For-Wey Lung, Shing-Yaw Wang
1Department of Psychiatry, Military Kaohsiung General Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
Abstract:
The authors evaluated the effect of stress due to the Ji-Ji, Taiwan, earthquake, which occurred at 1:47 a.m. on September 21, 1999, on the onset of acute myocardial infarction in six counties near the earthquake epicenter. The rate of hospitalization due to acute myocardial infarction increased during the 6 weeks after the earthquake, and a significantly higher number of patients were hospitalized with acute myocardial infarction during that period, compared with the same 6-week period in the previous year (99 and 65 patients, respectively). The findings suggest that extreme emotional stress due to the natural disaster, superimposed on the stress of awakening, increased the incidence of acute myocardial infarction in this population.
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