![]() ![]() Supplementary Table S2 shows the number and distribution of total Korean residents aged ≥20 years. The annual incidence of AF was the number of incident cases of AF divided by the number of person-years at risk among all Korean residents of that year who had never been diagnosed as AF. The annual prevalence of AF was calculated by dividing the number of AF patients of each year with exception for AF patients who died in previous year by the number of total Korean residents of that year. (1) In the ‘formal approach’, we considered individual AF diagnosis history and mortality. ![]() We evaluated three different methodological approaches to evaluate the prevalence and incidence of AF ‘formal approach’, ‘limited diagnosis approach’, and ‘medical use approach’. Given the wide variability in prevalence and incidence figures with different analysis approaches, careful attention to the analysis methodology is needed. OAC rate in 2015 was 2.1 times higher when using a ‘medical use approach’ compared to using a ‘formal approach’ (40.3% vs. The trend of annual AF incidence was stable when using a ‘formal approach’, but increased by 15% when using a ‘medical use approach’. Overall prevalence decreased to 0.52% with a ‘medical use approach’. The overall prevalence was 1.09% and 0.97% when using a ‘formal approach’ and ‘limited diagnosis approaches’, respectively. The AF prevalence progressively increased by 2.46-fold from 0.50% in 2004 to 1.54% in 2015 when using a ‘formal approach’ (p for trend <0.001). Using the National Health Insurance Service database of Korea, the prevalence and incidence of AF, and oral anticoagulation (OAC) use of AF patients were explored according to three different approaches ‘formal approach’, considering individual AF diagnosis and mortality ‘limited diagnosis approach’, using upper 5 main diagnosis and ‘medical use approach’, using the number of medical use AF population by year without considering individual AF history and mortality. ICD-10-CM I46.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.The reported incidence and prevalence of atrial fibrillation (AF) has been inconsistent across published studies. Cardiac arrest may be reversed by cpr, and/or defibrillation, cardioversion or cardiac pacing. The sudden cessation of cardiac activity so that the victim subject/patient becomes unresponsive, without normal breathing and no signs of circulation.Defibrillation is delivering an electric shock to restore the heart rhythm to normal. People are less likely to die if they have early cardiopulmonary resuscitation (cpr) and defibrillation. ![]() Without medical attention, the person will die within a few minutes. There may not be a known cause to the cardiac arrest. They include coronary heart disease, heart attack, electrocution, drowning, or choking. There are many possible causes of cardiac arrest. This is different than a heart attack, where the heart usually continues to beat but blood flow to the heart is blocked. Sudden cardiac arrest occurs when the heart develops an arrhythmia that causes it to stop beating. During an arrhythmia, the heart can beat too fast, too slow, or it can stop beating. Problems can cause abnormal heart rhythms, called arrhythmias.
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