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renal failure index
(redirected from RFI)

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
renal failure index (RFI),
an assessment of acute renal failure that compares the sodium clearance with the creatinine clearance:
RFI |m= UNa UCr/PCr
, where PCr |m= plasma concentration of creatinine, UCr |m= urinary concentration of creatinine, and UNa |m= urinary concentration of sodium. A value below 1.0 indicates renal failure because of prerenal azotemia, and a value above 2.0 suggests that it is caused by acute tubular necrosis.


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In ultra-wideband synthetic aperture radar (UWB SAR), the RFI energy is spread over the whole image scene, displaying artefacts and masking targets, especially in low SNR areas [1-5].
In a statement, the council also warned RFI and Canal Overseas to respect agreements with the government calling for "respect of public order, the security of the country, national unity, good morals and the dignity of citizens.
RFI Corporate Headquarters 300 Corporate Drive, Suite 14 Blauvelt, NY 10914 Tel: 845-358-8600/800-962-7663 Fax: 845-358-9003 E-mail: rfi@rfiingredients.
 
 
 
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