Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over 35 years of diverse financial management experience. He is an expert on personal finance, corporate finance ...

Debt ratio shows a company's ability to handle debt and invest wisely. Trend in a company's debt ratio indicates its ongoing fiscal health and investment quality. Different industries justify varying ...

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 ...

Rationale In patients with COVID-19 pneumonia and mild hypoxaemia, the clinical benefit of high-flow nasal oxygen (HFNO) remains unclear. We aimed to examine whether HFNO compared with conventional ...

Unlock the power of the Golden Ratio in design. Learn practical tips, debunk myths, and create stunning visuals—no complex maths required. Look, I get it. You're probably thinking, “Great, another ...

Your cholesterol/HDL ratio is your total cholesterol divided by your HDL level. A cholesterol/HDL ratio of below 3.5 is optimal and indicates a very low risk for heart disease. Ratios above 5 to 1 are ...

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 ...

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 ...