Relationship of the maximum QRS vector with the left ventricular myocardial mass during the development of hypertrophy: Computer simulation and empirical data

Autor:	L. A. Popov, G. A. Muromtseva, O. V. Baum, V. I. Voloshin
Rok vydání:	2008
Předmět:	Physics medicine.medical_specialty Biophysics Left ventricular hypertrophy medicine.disease Muscle hypertrophy Homothetic transformation Moment (mathematics) QRS complex Amplitude Internal medicine cardiovascular system medicine Cardiology Development (differential geometry) Endocardium
Zdroj:	Biophysics. 53:632-644
ISSN:	1555-6654 0006-3509
DOI:	10.1134/s0006350908060304
Popis:	A model of electrical activity of the heart has been used to demonstrate that, all other conditions remaining the same, the spatial vector of the heart changes, as a first approximation, proportionally to the increase in the surface area of the heart ventricles (rather than the myocardial mass) during proportional homothetic changes in the sizes of the heart and His-Purkinje system. In contrast, the electrocardiosignal (ECS) amplitude is determined, at any given moment, by the area of depolarized regions of the epicardium and endocardium, which agrees with the model of a double electrical layer on the surface of an electrically active myocardium.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ea3d53bdc8f597b7e64429a846d6463d https://doi.org/10.1134/s0006350908060304 Zobrazit plný text záznamu Full text from SpringerLink