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"cardiac"

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Sudden cardiac arrest during sports activities is relatively low among physically active middle-aged adults, and older people can exercise without worrying about triggering a heart rhythm disturbance, revealed by American researchers. Sudden cardiac arrest is the abrupt loss of heart…

A new study uncovers the first molecular evidence linking the body’s natural circadian rhythms to sudden cardiac death (SCD). Ventricular arrhythmias, or abnormal heart rhythms, are the most common cause of sudden cardiac death: the primary cause of death…


Financial reimbursement and ownership of cardiac imaging equipment appears to influence physicians’ use of cardiac stress testing. The study finds that doctors who are reimbursed for both performing the test using their equipment and then interpreting the results were…


Chest compressions before defibrillation in patients with sudden cardiac arrest is equally successful as immediate treatment with an electrical defibrillator, according to a new study by the University of Michigan Health System. Few people who suffer cardiac arrest…


When the heart is stopped and restarted, the patient’s life may be saved but their brain is often permanently damaged. Therapeutic hypothermia, a treatment in which the patient’s body temperature is lowered and maintained several degrees below normal for…


Irregular heart rhythms are a common cause of sudden cardiac death or SCD, a condition that accounts for 450,000 deaths annually in the United States. Scientists are now closer to understanding what causes SCD and who it may…


At the radiation dose levels used in cardiac imaging exams, such as cardiac CT or nuclear medicine scans, the risk of potentially harmful effects from ionizing radiation are low. However, since the exact level of risk is not known,…


People who witness an individual collapse suddenly and unexpectedly should perform uninterrupted chest compressions even if the patient gasps or breathes in a funny way, research from the Resuscitation Research Group at The University of Arizona Sarver Heart Center…


Middle-aged non-drinkers who began consuming moderate amounts of alcohol saw an immediate benefit of lower cardiac disease morbidity with no change in mortality after four years, revealed by researchers. The study conducted by the Department of Family Medicine…


When researchers at Cornell, the University of Bonn and the University of Pittsburgh transplanted living embryonic heart cells into cardiac tissue of mice that had suffered heart attacks, the mice became resistant to cardiac arrhythmias, thereby avoiding one of…

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