PSA velocity

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PSA velocity

a measure of the rapidity of change in a person's PSA level.

PSA velocity

Prostate-specific antigen velocity. A triggering factor for assessing PSA levels in the decision to refer a patient for a prostate biopsy. A PSA velocity of greater than 75 ng/mL/year should trigger a biopsy referral.

Cons
Requires PSA measurements over many years and does not factor in variability of the assay methodologies.

PSA ve·loc·i·ty

(vĕ-los'i-tē)
A measure of the rapidity of change in a person's level of prostate-specific antigen.

PSA velocity

The rate of rise in the level of prostate-specific antigen. An increase in the level by more than 2.0 nanograms per millilitre in the year prior to the diagnosis of prostate cancer suggests a relatively high risk of death from the disease in spite of radical prostatectomy.
References in periodicals archive ?
PSAV has been active in event technology services within the hotel, resort and conference canter industry.
PSAV and Lygase monitored the entry and exit doors to the exhibit show floor to understand average time spent by each attendee and implemented the SmartShows[TM] meeting and attendance tracking solution which utilizes RFID readers to automatically capture data on attendees going in and out of the session rooms.
One of the major obstacles PSAV faced was that the company had been using a payroll service bureau, which wasn't addressing the wide range of requirements that were critical to PSAV's business.
Immediate rewards for PSAV included greater speed, accuracy, and control across all of its HCM processes.
Metropolis Funding, PSAV, Panini, SILKS, TRAY, The Scott Garceau Show, MedStar Union Memorial Sports Medicine, Wilson Sporting Goods and ZBest Executive & Global Transportation Services.
Allied Partner of the Year: PSAV, Presentation Services
Additional supporters of the tour include evian/Badoit Waters, Red Bull Energy Drinks, Coca-Cola, Caffe Umbria Artisan Coffee Roaster, Rishi Organic Teas, FeverTree Beverages, PSAV, OpenTable, and IHS.
Wilkas joins Borland from PSAV Presentation Services, a global provider of technology to the hospitality and event industries, where he served as senior vice president and CFO.
Cowan joins GES as senior account manager following 19 years at PSAV where he held senior positions and managed AV services for large association accounts.
Our hotel partners continue to consolidate their event technology services with trusted partners such as PSAV who already have trained staff on-site servicing a significant percent of their guests," said PSAV President and CEO, Digby Davies.
Since 1937, PSAV has set the standard for event technology services within the hotel, resort and conference center industry.
PSAV and Four Winds Interactive will demonstrate their products and services together at HITEC 2007, which is being held at the Orange County Convention Center June 26 to 28.