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.
The postvoid residual (PVR) urine volume test measures the amount of urine left after urination. Normally, about 50 mL or less of urine is left. More than 200 mL is abnormal and is a sign of urinary retention (overflow incontinence). Amounts between 50 and 200 ml may require additional tests for interpretation.