Abstract
Corona pandemic has infected over 277 million people and has claimed more than 5.4 million lives with recovery of 249 million globally by early 2022. The global case fatality rate ranged from 6-7% in United States, Switzerland, Ireland, 12-14% in Sweden, Spain, Netherlands, United Kingdom, Italy, and 15-16% in France and Belgium among hospitalized and non-hospitalized COVID-19 patients, the prevalence of underlying cardiovascular diseases was 9%. The prevalence of cardiovascular diseases among hospitalized COVID-19 patients and those requiring intensive care unit admission were 23% and 29% respectively. The virus continues to evolve into new formats latest being Delta and Omicron variants. In a multicenter study of 8910 COVID-19 patients from 169 hospitals in Asia, Europe and North America, presence of pre-existing coronary artery disease, chronic heart failure and cardiac arrhythmia was associated with increased mortality of 10.2%, 15.3% and 11.5% respectively, compared with 5-6% mortality in those without the above co-morbidities. The systemic inflammation caused by SARS-CoV-2 could lead to a wide spectrum of cardiovascular complications including acute cardiac injury, acute coronary syndrome, coronary artery dissection, acute myocarditis, cardiomyopathy, chronic heart failure, cardiac arrhythmia, pulmonary embolism, cardiogenic shock, circulatory failure or even cardiac arrest.
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