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CES Medicina

versão impressa ISSN 0120-8705

Resumo

RODRIGUEZ, Javier et al. Probabilistic evaluation of arrhythmic cardiac dynamics with and without metoprolol. CES Med. [online]. 2017, vol.31, n.2, pp.144-154. ISSN 0120-8705.  http://dx.doi.org/10.21615/cesmedicina.31.2.3.

Introduction:

Based on the theory of dynamic systems and probability theory, highly sensitive clinical methodologies have been developed to differentiate normality, disease and evolution towards cardiac disease.

Methods:

Holter recordings, 7 normal and 73 with arrhythmia diagnosis with and without therapeutic treatment of Metoprolol, were selected. Probability measures, established in a previous work, were applied for assessing maximum, minimal and average heart rate and beats per hour.

Results:

It was found that almost a half of the cases with arrhythmias without beta-blocker therapy exhibited mathematical measures of illness and evolution towards disease, whereas in the treatment group with Metoprolol, three quarters accomplished these features.

Conclusions:

More objective mathematical distinctions were achieved between cardiac dynamics treated with and without metoprolol, which is very useful for individual follow-up.

Palavras-chave : Heart rate; Cardiac Arrhythmias; Metoprolol; Cardiology; Theory of dynamic systems.

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