One of the best upgrades you can make to your home office is the addition of a monitor arm. A good-quality arm not only frees up usable space on your desk’s surface, it enables more ways to move and ...

There are plenty of cheap gaming monitor deals around at any one point; we would know, we're constantly updating this page with them. Whether you're looking to upgrade to a higher resolution screen ...

The difference between 1080p, 1440p, and 4K monitors lies primarily in the number of pixels and the refresh rate. While 1440p monitors have more than 1.5 times as many pixels as their 1080p ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

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Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

Looking for the best video editing monitor? With video resolution, color fidelity, bit rate, and dynamic range constantly evolving, you need to make sure you're viewing and editing your footage on a ...

Abstract: In this work, a detection and classification method for sleep apnea and hypopnea, using photopletysmography (PPG) and peripheral oxygen saturation (SpO 2) signals, is proposed. The detector ...

Definitions of hypoxaemia, hypoxia, type 1 respiratory failure and hyperoxaemia Definition of hypercapnia and type 2 respiratory failure Definition of acidosis (respiratory acidosis and metabolic ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

Conclusions: SpO2 and PR measurements may be inaccurate across all skin pigmentation groups, breaching U.S. Food and Drug Administration guidance and industry standard thresholds. Pulse oximeters ...