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.
DEFINITION of 'Process Value Analysis-PVA'. A strategy that businesses use to determine whether all of their operational expenses are necessary and if they could be operating more efficiently.rocess value analysis looks at what the customer wants and then asks if each aspect of operations is necessary to achieve that result.