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The prevalence of chronic heart failure and risks stratification of early post-hospital letality (review)

The analysis of the prevalence of chronic heart failure, the difficulties of diagnosis and dispensary observation of patients with chronic heart failure. Accurate prediction of the individual risk of mortality, especially in the early period after hospitalization, as well as stratification of the risks of developing lethal and non-lethal complications of chronic heart failure is a strategic task of modern medicine and can be achieved by using mathematical prediction models. Diagnosis of heart failure, especially at the onset of the disease, is very difficult, so in the early stages, patients seek medical help mainly because of low-specific symptoms, which in turn does not allow the doctor to timely carry out differential diagnosis of heart failure with other diseases. ECG is a widely available diagnostic method and is an important prognostic marker of post-hospital mortality in patients with heart failure. Low voltage ECG is a marker of the severity of chronic heart failure and is a risk factor for serious consequences for patients with systolic chronic heart failure within 1 year. It is necessary to take into account the variance of the QRS complex as an important diagnostic criterion.

DOI: 10.52575/2687-0940-2021-44-3-305-318
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