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.
Home VCRs. A home VCR is the least expensive and most available VCR option for recording video from a home surveillance camera. Home VCRs are very inexpensive and use standard VHS tapes still available in many stores today. Unfortunately, because of the low-tech nature of VCRs, the only recording option is manual.