Air pollution spikes linked to irregular heartbeats, study finds

Spikes in air pollution increase the risk of cardiac arrhythmias, a large study has found. The research, based on nearly 200,000 hospital admissions in China, found a significant increase in risk of arrhythmias in the first few hours after an increase in air pollution levels. Heart arrhythmias can increase the risk of heart disease and sudden cardiac death. “We found that acute exposure to ambient air pollution was associated with increased risk of symptomatic arrhythmia,” said Dr Renjie Chen of Fudan University in Shanghai. “The risks occurred during the first…