This article discusses the physiology of the heart, the causes and pathophysiology of heart failure, and treatment and management options. 1  This article has been double-blind peer reviewed. 2  Figures and tables can be seen in the attached print-friendly PDF file of the complete article.
(redirected from PVR) Also found in: Dictionary, Medical, Acronyms, Wikipedia. in medicine and physiology, a method of continuous graphic recording of variations in the volume of a human or animal organ as modified by the circulation of blood.
VSEPR stands for Valence Shell Electron Pair Repulsion, which is a theory that chemists use to predict the shape and bond angles of different molecules. VSPER is pronounced ves-per in everyday use. Basically, the theory says that the valence electron pairs around an atom repel each other mutually.