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.
IVR is basically a tool where telephone is used as a device to input information. It is entirely automated and user-friendly device, which can be used by layman with no technical experience. Thus it makes input, management of data easy and less error prone, as it does not involve manual interference.