Silent heart attacks affect nearly 200,000 people in the United States annually . The study was published online by JAMA Internal Medicine. Although the study was done on a relatively small sample of people at risk of coronary artery disease , meaning the results may not apply to the general population , other cardiologists say the study has merit in adding to the knowledge of silent heart attacks . Treatment for `` silent '' heart attacks is similar to that for regular attacks . More research is necessary to determine whether screening is useful .
Silent heart attacks affect nearly 200,000 people in the United States annually . The study was published online by JAMA Internal Medicine. Treatment for `` silent '' heart attacks is similar to that for regular attacks . More research is necessary to determine whether screening is useful .