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A photoplethysmogram ( PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. [ 1][ 2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [ 3] A conventional pulse oximeter monitors the perfusion of blood ...
Coding best practices. Coding best practices or programming best practices are a set of informal, sometimes personal, rules ( best practices) that many software developers, in computer programming follow to improve software quality. [ 1] Many computer programs require being robust and reliable for long periods of time, [ 2] so any rules need to ...
A best practice is a method or technique that has been generally accepted as superior to alternatives because it tends to produce superior results. Best practices are used to achieve quality as an alternative to mandatory standards. Best practices can be based on self-assessment or benchmarking. [ 1] Best practice is a feature of accredited ...
List of best-selling game consoles. Sony's PlayStation 2 is the best-selling game system overall with over 155 million units worldwide. [ 1] A video game console is a standardized computing device tailored for video gaming. The compact size of video game consoles allows them to be easily used in a variety of locations, making them portable. [ 2]
PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials. With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe. By revenue it is the largest coatings company in the world followed by Sherwin-Williams. [ 2 ]
Good documentation practice (recommended to abbreviate as GDocP to distinguish from "good distribution practice" also abbreviated GDP) is a term in the pharmaceutical and medical device industries to describe standards by which documents are created and maintained. While some GDocP standards are codified by various competent authorities, others ...
Williams, a former WNBA player and UConn standout, is eligible to play for France as her mom, Therese, is from the country. Williams is also fluent in French, despite growing up in the United ...
BMJ offers personal and institutional subscriptions. Only institutional subscriptions are available to purchase in the United States and Canada. All institutional subscriptions include onsite and remote access as well as access to the mobile app for iOS and Android devices.