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.
Silicon-Controlled Rectifier(SCR) [edit | edit source]. An SCR is a machine that, once powered, holds a single pulse until it can no longer be powered. In redstoning, a simple SCR can be made by making a repeater power itself. This simple SCR can be used for many things.