In patients with pre-existing heart or lung disease, exposure to high levels of traffic-related air pollutants is linked to reduced heart rate variability (HRV) - a risk factor for sudden cardiac death, a new study hasfound.
The study included 30 Atlanta-area residents with lung disease (chronic obstructive pulmonary disease) or heart disease (previous myocardial infarction).
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Ambient levels of air pollutants in the areas where the patients lived were unrelated to HRV.
However, when the patients wore 24-hour monitoring devices, their personal exposure (levels of traffic-related air pollutants-specifically, elemental carbon and nitrogen dioxide) were significantly related to reduced HRV.
![Heart Attack]( "Heart Attack")
Heart attack is the death of the heart muscle due to loss of blood supply. Heart disease is the leading cause of death in the United States. Other names for heart attack include acute myocardial infarction, coronary thrombosis, and coronary occlusion.
In contrast, the Atlanta patients were spread out over a larger area, with differing population densities, distances from major roads, etc.
The results add to recent evidence that short-term, personal exposure to traffic-related pollution is linked to decreased HRV and increased cardiac risk.
The findings of the survey were published in the Journal of Occupational and Environmental Medicine, official publication of the American College of Occupational and Environmental Medicine (ACOEM).
Source: ANI
Heart Attack
Heart attack is the death of the heart muscle due to loss of blood supply. Heart disease is the leading cause of death in the United States. Other names for heart attack include acute myocardial infarction, coronary thrombosis, and coronary occlusion.
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In contrast, the Atlanta patients were spread out over a larger area, with differing population densities, distances from major roads, etc.
The results add to recent evidence that short-term, personal exposure to traffic-related pollution is linked to decreased HRV and increased cardiac risk.
The findings of the survey were published in the Journal of Occupational and Environmental Medicine, official publication of the American College of Occupational and Environmental Medicine (ACOEM).
Source: ANI
Congenital Heart Disease
Heart diseases that are present at birth are called " Congenital heart diseases".
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